সাধারণ প্রশিক্ষণ IELTS (ব্যান্ড 8 এবং তার উপরে) - Pollution

a waste treatment process that involves the combustion of substances contained in waste materials

অগ্নি প্রশমক

a risk to human health or to the environment caused by a biological source, especially microorganisms

জীববিজ্ঞান সংক্রান্ত বিপদ

a thick, muddy substance often found at the bottom of liquids, like wastewater or industrial fluids

গাদ

the wastewater or used water that contains various types of contaminants, including human and household waste, from residential, commercial, or industrial sources

মিসা জল

liquid waste or sewage discharged into rivers, lakes, or the sea

অপচয়

a black powdery substance produced by burning materials like wood or coal

কালো আবরণ

waste or debris produced by the disintegration or decomposition of organic or inorganic matter

বিলীন বস্তু

a suspension of tiny particles or droplets in the air

এয়ারোসোল

a small, discrete particle or substance, especially one suspended in air, such as dust, pollen, or soot

গাঠনিক

a device in a vehicle's exhaust system that reduces the emission of harmful pollutants by promoting chemical reactions that convert them into less harmful substances

কাতালিটিক কনভার্টার

airborne particles, such as dust or debris, that settle after a nuclear explosion or similar event

রেডিওঅ্যাকটিভ আবহ

a protective garment worn by workers to safeguard against exposure to hazardous substances or environments

হ্যাজম্যাট স্যুট

a durable and lightweight plastic widely used for making bottles and food containers due to its strength and recyclability

পলিইথিলিন টেরেফথালেট

a soft greyish substance that is resistant to fire and heat and was previously used in the buildings, clothing, etc.

অ্যাসবেস্টস

not containing lead or other additives harmful to the environment

লিডবিহীন