Aisicelo:
Amapayipi ensimbi angenamthungo enziwe ngalolu hlobo lwensimbi asetshenziswa kakhulu kuma-hydraulic props, amasilinda egesi anengcindezi ephezulu, ama-boilers anengcindezi ephezulu, imishini kamanyolo, ukuqhekeka kwe-petroleum, imikhono ye-axle yezimoto, izinjini zikadizili, ukufakwa kwe-hydraulic, namanye amapayipi.