strip polishing line
91International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers — Infobox Union| name= Boilermakers country= United States, Canada affiliation= AFL CIO members= 100,000+ (2006)ref|members full name= International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers native name=… …
92Nationality Rooms — Coordinates: 40°26′40″N 79°57′12″W / 40.444426°N 79.953423°W / 40.444426; 79.953423 …
93Frank W. Preston — Infobox Person name = Frank W. Preston image size = 175px caption = Frank W. Preston birth date = June 14, 1896 birth place = Leicester, Leicestershire, England death date = March 1, 1989 death place = Butler, Pennsylvania occupation = American… …
94Blanking and piercing — Blanking versus piercing Blanking and piercing are shearing processes in which a punch and die are used to modify webs. The tooling and processes are the same between the two, only the terminology is different: in blanking the punched out piece… …
