Makampani azachipatala

Mipweya yachipatala ndi mipweya yomwe imagwiritsidwa ntchito pazachipatala. Amagwiritsidwa ntchito makamaka pochiza, opaleshoni, kuyendetsa zida zamankhwala ndi zida. Mipweya yomwe imagwiritsidwa ntchito kwambiri ndi: oxygen, nitrogen, nitrous oxide, argon, helium, carbon dioxide ndi mpweya woponderezedwa.

Zopangira zovomerezeka zamakampani anu