Walcowanie, nie rolowanie.

Czytaj:
https://www.google.pl/search?q=obr%C3%B3bka+plastyczna+(&ie=utf-8&oe=utf-8&client=firefox-b&gfe_rd=cr&ei=khNPWOfDBqHi8AfRnrigCA#q=walcowanie+pdf

https://www.google.pl/search?q=obr%C3%B3bka+plastyczna+(&ie=utf-8&oe=utf-8&client=firefox-b&gfe_rd=cr&ei=khNPWOfDBqHi8AfRnrigCA#q=walcowanie+gwint%C3%B3w+pdf

https://www.google.pl/search?q=obr%C3%B3bka+plastyczna+(&ie=utf-8&oe=utf-8&client=firefox-b&gfe_rd=cr&ei=khNPWOfDBqHi8AfRnrigCA#q=obr%C3%B3bka+plastyczna+pdf