Re ikamahanya le ho: 1. Master tšepe, iron ea bohlooho, aluminium, alum.) 2. Serethe se se nang letsoai, allaele.) Dieding (aluminium, zinc, jj.) 3.mandin : Temo, marine; Architectical, mochine, Mediment; Mechine ea lijo, li-valling joalo-joalo. Lintho tseo re neng re li sebelisa aluminium; Bronze; Koporo; Koporo; carbon tšepe; tšepe e se nang thuso ebile e ea holimo ka nako e tšoanang, re ka fana ka mochini oa cnc. Phooshating; Ts'ebetso ea Blackening; ho chesa ho chesa ho Chechisa: Ho penta: ho beha kopano, kopano bakeng sa bareki. Lihlahisoa tse 85% li rekisoa ho mose ho mose ho maoatle, bareki ba tsoa Amerika, Canada, Europe bonngoe, jj.