- hardeness
- твердость
English-Russian marine dictionary . 2014.
English-Russian marine dictionary . 2014.
Porto Ferreira — Infobox Settlement name = Porto Ferreira link brasão = http://www.portoferreira.sp.gov.br/images/display/brasao.jpg link bandeira = link hino = http://www.portoferreira.sp.gov.br/1 1 hino.html anniversary = 29 of July established title = Founded… … Wikipedia
Carbonitriding — is a metallurgical surface modification technique that is used to increase the surface hardness of a metal, thereby reducing wear. During the process, atoms of carbon and nitrogen diffuse interstitially into the metal, creating barriers to slip,… … Wikipedia