Elevator simbi tambo scrapping standard Mapoinzi makuru emagetsi dhizaini mune elevator nekamuri yemuchina Chigadzirwa chekuchengetedza chinotanga kana lifti yanyanya kuwandisa Ndezvipi zvinodiwa pamusuwo weelevator? Elevator lubrication uye kuita zvinodiwa pakuzora mafuta Mibvunzo yakati wandei inofanirwa kunzwisiswa nevanoshandisa lift