Zopangira zitsulo zimagwiritsidwa ntchito kwambiri m'makampani, monga zida zopangira;zida zamagetsi zamagetsi;zida zama hydraulic;zida zogubuduza mphero;makina a petroleum, etc.
Chitsulo chopangidwa ndi girth girth giya chimagwiritsidwa ntchito kwambiri m'mafakitale a simenti, ng'anjo yozungulira, migodi, kukweza, mafakitale opepuka, makampani opanga mankhwala, mayendedwe, zomangamanga ndi makina ena ndi zida zochepetsera.