building or group of buildings where goods are manufactured or assembled chiefly by machine.

continuing or valid to final destination. From the beginning of something until the end. By a particular way or process; by the use of.

Concerning or belonging to endocrine glands or their secretions.

regulatory substance produced in organism and transported in tissue fluids such as blood. Chemical produced by the body to control functions.

Dangerous substances released into an environment.

arrange group of people or things in classes or categories according to shared qualities or characteristics.

in space separating things. From one person, thing, or place, to another.

Focusing on the bad aspects; pessimistic. no. Reply to a question or statement that means 'no'. refuse to accept.

substance that causes allergic reaction. Any substance that can cause an allergy.

To do, be or happen for the first time; begin.

used to refer to thing, no matter what.

infective agent that is able to multiply only within the living cells of a host. Files secretly put on computers to cause harm.

action of one object striking another. Acts or forces of one thing hitting something else. come into forcible contact with another object.

pressed firmly together. To hit or strike someone or something with force.

distinct compound or substance. Basic substances produced by mixing elements.