શોધ પરિણામો: "Hazardous waste"

A water filter cleans water, it removes impurities by means of a fine physical barrier, a chemical process or a biological process.

Products worn or held by a person to reduce exposure to specified health or safety hazards.

CS defence sprays irritate the eyes of the attacker causing temporary blindness. Nowadays they are not popular, being hazardous, inefficient against dogs, drunkards and addicts and contaminating rooms