Kayan aiki
Bakin karfe, carbon karfe, aluminum, tagulla, jan ƙarfe, alloy karfe da Galvanized Karfe da sauransu.
Masana'antar da aka zartar
Kayan Kayan Karfe, Na'urar motsa jiki, kayan aikin motsa jiki, kayan aikin wasanni, da aka tallafa wa shiryayye, tsarin jirgin sama, ikon ƙarfe da kuma sarrafa jirgin ruwa da sauransu.
Nau'ikan da ake amfani da su na yankan bututu
Zagaye, murabba'i, rectangular, m, nau'in Ob-nau'in, C-nau'in, D-nau'in, alwatika, da sauransu; M Karfe, Chamel, H-siffar Karfe, L-siffar Karfe, da sauransu (zaɓi)
