{"id":1857,"date":"2022-11-22T02:04:00","date_gmt":"2022-11-22T10:04:00","guid":{"rendered":"https:\/\/www.appliancepartspros.com\/b\/?p=1857"},"modified":"2026-02-17T09:57:03","modified_gmt":"2026-02-17T17:57:03","slug":"dos-donts-for-microwavable-materials","status":"publish","type":"post","link":"https:\/\/www.appliancepartspros.com\/b\/dos-donts-for-microwavable-materials\/","title":{"rendered":"Do\u2019s &#038; Don\u2019ts for Microwavable Materials"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<p>Unsafe use of your microwave can lead to fires, melted materials, and fumes that are toxic or unhealthy for humans. It can also damage or break your appliance, resulting in costly repairs or replacement. To help you utilize your appliance safely, we\u2019ve put together a list of materials you can and can\u2019t put in the microwave, as well as maintenance tips to keep it in tip-top shape.<\/p>\n","protected":false},"author":1,"featured_media":22540,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_aviaLayoutBuilderCleanData":"[av_image src='https:\/\/www.appliancepartspros.com\/b\/wp-content\/uploads\/2022\/11\/192_do-s-don-ts-for-microwavable-materials_middle-1500x630.png' attachment='22540' attachment_size='featured_large' copyright='' caption='' styling='' align='center' font_size='' overlay_opacity='0.4' overlay_color='#000000' overlay_text_color='#ffffff' animation='no-animation' hover='' appearance='' link='' target='' title_attr='' alt_attr='' lazy_loading='disabled' id='' custom_class='' av_element_hidden_in_editor='0' av_uid='av-laigvh8a' admin_preview_bg=''][\/av_image]\r\n\r\n[av_textblock size='' av-medium-font-size='' av-small-font-size='' av-mini-font-size='' font_color='' color='' id='' custom_class='' av_uid='av-laigv0yd' admin_preview_bg='']\r\n<span style=\"font-weight: 400;\">Microwaves are so convenient for heating up your favorite leftovers, but if you\u2019re not careful with what you warm up, you may create dangerous situations.\u00a0<\/span>\r\n\r\n<span style=\"font-weight: 400;\">Unsafe use of your microwave can lead to fires, melted materials, and fumes that are toxic or unhealthy for humans. It can also damage or break your appliance, resulting in costly repairs or replacement.<\/span>\r\n\r\n<span style=\"font-weight: 400;\">To help you utilize your appliance safely, we\u2019ve put together a list of materials you can and can\u2019t put in the microwave, as well as maintenance tips to keep it in tip-top shape.<\/span>\r\n\r\n<i><span style=\"font-weight: 400;\">At AppliancePartsPros.com, we\u2019ve got a great selection of genuine <\/span><\/i><a href=\"https:\/\/www.appliancepartspros.com\/microwave-parts.html\"><i><span style=\"font-weight: 400;\">microwave parts<\/span><\/i><\/a><i><span style=\"font-weight: 400;\"> for your next repair. Shop with us today!<\/span><\/i>\r\n\r\n[ez-toc]\r\n[\/av_textblock]\r\n\r\n[av_hr class='default' icon_select='yes' icon='ue808' position='center' shadow='no-shadow' height='50' custom_border='av-border-thin' custom_width='50px' custom_margin_top='30px' custom_margin_bottom='30px' custom_border_color='' custom_icon_color='' av-desktop-hide='' av-medium-hide='' av-small-hide='' av-mini-hide='' id='' custom_class='' av_uid='av-2cuqkh']\r\n\r\n[av_textblock size='' av-medium-font-size='' av-small-font-size='' av-mini-font-size='' font_color='' color='' id='' custom_class='' av_uid='av-laipagl2' admin_preview_bg='']\r\n<h2>Materials You Can NOT Put in the Microwave<\/h2>\r\n<span style=\"font-weight: 400;\">Let\u2019s start by preventing microwave fires and other dangerous events. Here are all the materials that absolutely do NOT go in the microwave.<\/span>\r\n<h3>Can Metal Go in the Microwave?<\/h3>\r\n<span style=\"font-weight: 400;\">No, metal doesn\u2019t belong in the microwave, as it can cause sparks or fires when transmitted waves bounce off it. This includes common materials such as:\u00a0<\/span>\r\n<ul>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">aluminum foil<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">travel mugs (especially those with steel rims or inserts)<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">metal utensils<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">twist-ties\u00a0<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">any cookware with metal rims or inserts<\/span><\/li>\r\n<\/ul>\r\n<span style=\"font-weight: 400;\">Take a careful look at the cookware you place in your appliance, as many items may have hidden metallic parts that can be dangerous if microwaved.\u00a0<\/span>\r\n\r\n<span style=\"font-weight: 400;\">For your travel mug, simply heat up your coffee or tea in a ceramic mug and then transfer it to avoid the risks of metal in the microwave.<\/span>\r\n<h3>Can Plastic Go in the Microwave?<\/h3>\r\n<span style=\"font-weight: 400;\">Some plastics can go in the microwave if they\u2019re labeled \u201cmicrowave-safe.\u201d On the whole, however, it\u2019s best to avoid putting plastics in the microwave, including:\u00a0<\/span>\r\n<ul>\r\n \t<li><span style=\"font-weight: 400;\">plastic wrap<\/span><\/li>\r\n \t<li><span style=\"font-weight: 400;\">single-use plastics, such as to-go cups<\/span><\/li>\r\n \t<li><span style=\"font-weight: 400;\">ziplock bags (unless labeled microwave-safe)<\/span><\/li>\r\n \t<li><span style=\"font-weight: 400;\">Tupperware (unless labeled microwave-safe)<\/span><\/li>\r\n<\/ul>\r\n<span>To start, plastic containers and wrapping can melt and get into your food. But even microwave-safe bags and Tupperware may release microplastics called \u201cphthalates\u201d when exposed to heat. <\/span><a href=\"https:\/\/www.bbc.com\/future\/article\/20200714-is-it-safe-to-microwave-food\"><span>Studies show that phthalates can cause all sorts of health problems<\/span><\/a><span>, including disruptions to our metabolism, blood pressure, hormones, and more.\u00a0<\/span>\r\n<b><\/b>\r\n\r\n<span style=\"font-weight: 400;\">To avoid ingesting plastic additives like this, nix microwaving plastic altogether. Simply transfer your food to a glass or ceramic plate to heat it up.\u00a0<\/span>\r\n<h3>Can Paper Go in the Microwave?<\/h3>\r\n<span style=\"font-weight: 400;\">Paper is usually a no-no for the microwave, though some specially-made packaging such as popcorn bags are acceptable to microwave. Here are different paper products you should avoid putting in the microwave:<\/span>\r\n<ul>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">paper bags\u00a0<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">paper plates, especially if they have a plastic layer or design\u00a0<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">takeout boxes, especially those with metal handles<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">cardboard packaging<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">paper towels (unless labeled microwave-safe)<\/span><\/li>\r\n<\/ul>\r\n<span style=\"font-weight: 400;\">Overall, paper towels can be helpful for covering food when you heat it up, but you should make sure they\u2019re labeled microwave-safe first.<\/span>\r\n<h3>Can All Foods Go in the Microwave?<\/h3>\r\n<span style=\"font-weight: 400;\">You\u2019ll want to avoid placing certain foods in the microwave, such as:\u00a0<\/span>\r\n<ul>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">eggs with shells<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">whole fruits, including grapes, peaches, apples, pears, etc.<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">hot peppers<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">breast milk<\/span><\/li>\r\n<\/ul>\r\n<span style=\"font-weight: 400;\">Eggs and whole fruits get too hot under their shells\/peels, which can make them explode in the microwave. If you want to heat up fruit, be sure to cut it up first and\/or poke holes in the peel.<\/span>\r\n\r\n<span style=\"font-weight: 400;\">When heated, the compounds in hot peppers can become like irritating airborne pepper spray, which is why you should avoid microwaving them altogether.\u00a0<\/span>\r\n\r\n<span style=\"font-weight: 400;\">Finally, avoid putting breast milk in the microwave, for it can heat unevenly and\/or leach the microplastics of a bottle. Instead, use hot water to warm up breast milk and shake the bottle to ensure it\u2019s evenly heated.<\/span>\r\n<h3>Other Materials That CAN\u2019T Go in the Microwave<\/h3>\r\n<span style=\"font-weight: 400;\">Finally, there are other less common materials that you should avoid putting in the microwave, such as<\/span> styrofoam, dry sponges, or wet clothes<span style=\"font-weight: 400;\"> (especially those made of elastic or polyester).<\/span>\r\n\r\n<span style=\"font-weight: 400;\">And when in doubt, transfer your food to a microwave-safe container. It only takes a moment and you\u2019ll guarantee the safety of your family and your appliance.<\/span>\r\n<h2>Materials You CAN Put in the Microwave<\/h2>\r\n<span style=\"font-weight: 400;\">Next, let\u2019s go through some no-problem microwavable materials so that you know what to reach for when heating up your next meal.<\/span>\r\n<h3>Can Glass Go in the Microwave?<\/h3>\r\n<span style=\"font-weight: 400;\">Yes, glass is typically just fine to put in the microwave. Just be sure that the lid or design doesn\u2019t have metal inlays. In addition, you should avoid putting in crystal or handmade pottery, which is quite fragile.<\/span>\r\n<h3>Can Ceramic Go in the Microwave?<\/h3>\r\n<span style=\"font-weight: 400;\">Yes, ceramics are generally safe to put in the microwave. Again, just check that there are no metal rims or inlays.<\/span>\r\n<h3>Other Materials That CAN Go in the Microwave<\/h3>\r\n<span style=\"font-weight: 400;\">Other materials may also be microwave-safe, including:<\/span>\r\n<ul>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">parchment paper<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">tea bags<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">some paper towels (check the label for microwave-safe)<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">some tupperware (check the label for microwave-safe)<\/span><\/li>\r\n<\/ul>\r\n<span style=\"font-weight: 400;\">When in doubt, remember to check the label to make sure it\u2019s microwave-safe.\u00a0<\/span>\r\n\r\n<i><span style=\"font-weight: 400;\">Need to perform maintenance on your microwave? <\/span><\/i><a href=\"https:\/\/www.appliancepartspros.com\/microwave-parts.html\"><i><span style=\"font-weight: 400;\">Browse replacement microwave parts on AppliancePartsPros.com.<\/span><\/i><\/a>\r\n<h2>Additional Microwave Do\u2019s & Don\u2019ts<\/h2>\r\n<span style=\"font-weight: 400;\">Now that you have a good sense of materials that can and can\u2019t be microwaved, you should consider other safety tips. It\u2019s important to use your microwave correctly for your safety and the working condition of your appliance.<\/span>\r\n<h3>Microwave Do\u2019s<\/h3>\r\n<ul>\r\n \t<li><b>Follow the instructions on the package. <\/b><span style=\"font-weight: 400;\">Often, instant and frozen meals have specific steps for how long to microwave them, so there's no need for guesswork.<\/span><\/li>\r\n \t<li><b>Leave a gap with the lid for ventilation.<\/b><span style=\"font-weight: 400;\"> Make sure your plate or package isn\u2019t closed airtight. Otherwise, the steam could overheat the food and cause an explosion. Always leave the lid with a small gap for air to circulate.<\/span><\/li>\r\n \t<li><b>Check on your food and stir periodically. <\/b><span style=\"font-weight: 400;\">Be attentive to your food in the microwave. At the halfway point, you should stir or move around the food so that it heats evenly.\u00a0<\/span><\/li>\r\n<\/ul>\r\n<h3>Microwave Don\u2019ts<\/h3>\r\n<ul>\r\n \t<li><b>Don\u2019t add a random microwave time and setting. <\/b><span style=\"font-weight: 400;\">Most people just tap the same button to heat up meals. Instead, check the package for instructions, or set up pre-programmed cooking times for your favorite foods. This will allow for the safest and most precise heating.\u00a0<\/span><\/li>\r\n \t<li><b>Don\u2019t leave microwave foods uncovered. <\/b><span style=\"font-weight: 400;\">Don\u2019t forget to add a microwave-safe lid to prevent splattering.\u00a0<\/span><\/li>\r\n \t<li><b>Don\u2019t let your microwave go uncleaned. <\/b><span style=\"font-weight: 400;\">You should deep clean your microwave on a monthly basis. Simply use a wet cloth to wipe down the inside. In addition, you can microwave water and vinegar to give the appliance a good scrub. <a href=\"_wp_link_placeholder\" data-wplink-edit=\"true\">Read our explanation of how to clean your microwave<\/a><\/span><a href=\"_wp_link_placeholder\"><span style=\"font-weight: 400;\"> here!<\/span><\/a><\/li>\r\n<\/ul>\r\n<h2>Maintain Your Microwave With AppliancePartsPros.com<\/h2>\r\n<span style=\"font-weight: 400;\">Great work, you now can identify which materials do and don\u2019t go in the microwave!<\/span>\r\n\r\n<span style=\"font-weight: 400;\">As a part of microwave safety, you should also keep your appliance in good working order. Some key tasks you can perform regularly include:<\/span>\r\n<ul>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.appliancepartspros.com\/b\/how-to-clean-a-microwave\/\"><span style=\"font-weight: 400;\">Deep cleaning your microwave<\/span><\/a><span style=\"font-weight: 400;\">, especially for grease and bacteria<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Preventing door damage by not slamming it or opening it while the microwave is on<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Keeping microwave vents nice and clear\u00a0<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Installing a nearby smoke detector for safety<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Listening for unusual noises or smells, as this is a red flag that the appliance is broken<\/span><\/li>\r\n<\/ul>\r\n<span style=\"font-weight: 400;\">And remember: in case any repair needs come up, check out our range of <\/span><a href=\"https:\/\/www.appliancepartspros.com\/microwave-parts.html\"><span style=\"font-weight: 400;\">genuine<\/span> <span style=\"font-weight: 400;\">microwave replacement parts at AppliancePartsPros.com<\/span><\/a><span style=\"font-weight: 400;\">!<\/span>\r\n<h2>Microwave FAQs<\/h2>\r\n<h3>What Happens If I Use the Microwave With Nothing in It?<\/h3>\r\n<span style=\"font-weight: 400;\">Running your microwave with nothing inside it can be harmful. When this happens, there\u2019s no food to absorb the heat waves, which then can cause damage to the magnetron. Don\u2019t do this experiment for fun \u2013 it will only ruin your appliance.\u00a0<\/span>\r\n<h3>Can I Heat Up Wet Clothes in the Microwave?<\/h3>\r\n<span style=\"font-weight: 400;\">No, you should never use your microwave as a clothes dryer. To start, your clothes may contain polyester or elastic materials that are flammable. In addition, your microwave won\u2019t likely give you good results, as the water in your clothes will only get heated, not dried out.<\/span>\r\n<h3>What\u2019s the Microwave-Safe Symbol?<\/h3>\r\n<span style=\"font-weight: 400;\">To check if cookware, Tupperware, or other materials can go in the microwave, check the packaging for the microwave-safe symbol. This symbol shows a microwave with several squiggly lines inside. If you see it on the packaging or user\u2019s manual, it\u2019s safe to microwave it.\u00a0<\/span>\r\n<h3>How Should I Cover Food in the Microwave?<\/h3>\r\n<span style=\"font-weight: 400;\">Ideally, you can cover food with a microwave-friendly lid. Typically, these are made of glass, ceramic or specific plastics labeled microwave-safe. Some paper towel brands are also microwave-safe. In this case, you can simply place a paper towel over the plate or bowl.\u00a0<\/span>\r\n\r\n<span style=\"font-weight: 400;\">Whenever you cover food, be sure it\u2019s not locked airtight. Otherwise, the steam could overheat the food and cause an explosion within. Always leave a gap with the lid, or poke holes in the cover.\u00a0<\/span>\r\n<h3>When\u2019s a Microwave Unsafe to Use?<\/h3>\r\n<span style=\"font-weight: 400;\">While microwaves can last up to 10+ years if properly cared for, you should be on the lookout for an unsafe appliance. Some signs that you made need to perform a repair or replace your microwave include:<\/span>\r\n<ul>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Unusual smells, especially of burning or smoke<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Unusual noises<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">An unresponsive control panel<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A door that doesn\u2019t seal properly<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A microwave that continues to run with the door open (as this may be a sign of <\/span><a href=\"https:\/\/www.fda.gov\/radiation-emitting-products\/resources-you-radiation-emitting-products\/microwave-oven-radiation#Checking_Ovens_For_Leakage\"><span style=\"font-weight: 400;\">radiation leakage<\/span><\/a><span style=\"font-weight: 400;\">)<\/span><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Generally poor heating performance<\/span><\/li>\r\n<\/ul>\r\n<span style=\"font-weight: 400;\">If you notice any of these symptoms, you should service your microwave and perform the necessary repairs. Be sure to browse any and all <\/span><a href=\"https:\/\/www.appliancepartspros.com\/microwave-parts.html\"><span style=\"font-weight: 400;\">microwave parts you require at AppliancePartsPros.com<\/span><\/a><span style=\"font-weight: 400;\">!<\/span>\r\n<h2>Check Also:<\/h2>\r\n<ul>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.appliancepartspros.com\/microwave-parts.html\"><span style=\"font-weight: 400;\">Microwave Parts<\/span><\/a><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.appliancepartspros.com\/b\/how-to-clean-a-microwave\/\"><span style=\"font-weight: 400;\">How to Clean a Microwave<\/span><\/a><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.appliancepartspros.com\/b\/how-to-fix-a-broken-microwave-door-handle\/\"><span style=\"font-weight: 400;\">How to Fix a Broken Microwave Door Handle<\/span><\/a><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.appliancepartspros.com\/b\/how-to-change-a-microwave-light-bulb\/\"><span style=\"font-weight: 400;\">How to Change a Microwave Light Bulb<\/span><\/a><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.appliancepartspros.com\/b\/how-to-replace-a-microwave-turntable-motor-with-video\/\"><span style=\"font-weight: 400;\">How to Replace a Microwave Turntable Motor (with Video!)<\/span><\/a><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.appliancepartspros.com\/b\/how-to-replace-a-microwave-turntable-coupler-with-video\/\"><span style=\"font-weight: 400;\">How to Replace a Microwave Turntable Coupler (with Video!)<\/span><\/a><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.appliancepartspros.com\/b\/how-to-dispose-of-a-broken-microwave\/\"><span style=\"font-weight: 400;\">5 Easy Ways to Dispose of a Broken Microwave<\/span><\/a><\/li>\r\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.appliancepartspros.com\/b\/7-space-saving-tips-for-small-kitchens\/\"><span style=\"font-weight: 400;\">7 Space-Saving Tips for Small Kitchens<\/span><\/a><\/li>\r\n<\/ul>\r\n[\/av_textblock]\r\n\r\n","_aviaLayoutBuilder_active":"active","footnotes":""},"categories":[105],"tags":[107,108,109],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>Do\u2019s &amp; Don\u2019ts for Microwavable Materials - AppliancePartsPros Blog<\/title>\r\n<meta name=\"description\" content=\"Unsafe use of your microwave can lead to fires, melted materials, and fumes that are toxic or unhealthy for humans. It can also damage or break your appliance, resulting in costly repairs or replacement. To help you utilize your appliance safely, we\u2019ve put together a list of materials you can and can\u2019t put in the microwave, as well as maintenance tips to keep it in tip-top shape.\" \/>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/www.appliancepartspros.com\/b\/dos-donts-for-microwavable-materials\/\" \/>\r\n<meta property=\"og:locale\" content=\"en_US\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"Do\u2019s &amp; Don\u2019ts for Microwavable Materials - AppliancePartsPros Blog\" \/>\r\n<meta property=\"og:description\" content=\"Unsafe use of your microwave can lead to fires, melted materials, and fumes that are toxic or unhealthy for humans. It can also damage or break your appliance, resulting in costly repairs or replacement. 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