Composed - to make or form by combining things, parts or elements
Metallurgy - the technique or science of making and compounding alloys.
composition- the act of combining parts or elements to form a whole.
Nitriding - a type of case-hardening in which steel is heated for long periods of time in ammonia vapour so that nitrogen produced by dissocation on the surface enters the steel
Nitrogen - a colourless, odorless, gaseous element that contributes to four fifths of the atmosphere. Mainly used in the creation of ammonia.
Hydrogen - a colourless, odorless flammable gas.
Odor - The property of a substance that activates the sense of smell.
Molecule - any very small particle.
Industrial - used in industry (businesses).
Agricultural - the production of crops and livestock.
Fertilizer - any substance used to fertilize the soil.
Synthesized - elements combined to make a single or unified entity.
Hydra-zine - a highly reactive liquid that is used mainly as rocket fuel
Reduction - The process or result of reducing (a copy on a smaller scale)
Trinitrotoluene - a high explosive unaffected by ordinary friction or shock.