1 Clinical nurse specialist (CNS) â Working in hospitals, clinics, nursing homes, private offices, and community-based settings, CNSs handle a wide range of physical and mental health problems. 2  They also work in consultation, research, education, and administration.
I pass this heat treatment definition along until I'm corrected or find a more succinct, better one. Heat treatment is the controlled heating and cooling of a metal in order to change its properties. Forging is controlled heating and cooling but is not considered a heat treatment by metallurgists, probably because of the plastic deformation involved.
Hardening means making a material, particularly a metal, physically harder, and includes particular cases such as: 1  Hardening (metallurgy), the strengthening of metal alloys by heat treatment. Case hardening, the process of hardening the surface of a metal by infusing elements into the material's surface forming a thin layer of a harder alloy Case hardening of rocks. Case hardening (woodworking)