مفردات لاختبار IELTS General (الدرجة 8-9) - Pollution

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

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

the semi-solid residue produced during sewage or wastewater treatment

the waste water and other liquid waste from homes, businesses, and factories, usually carried away through pipes and treated

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

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

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

a suspension of fine solid or liquid particles dispersed in a gas

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

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

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

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

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

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

not containing lead