Zvigadzirwa zvakasiyana-siyana zvakashandiswa zvakanyanya muminda yakawanda yemaindasitiri senge rabha nemapurasitiki, migodhi yesimbi, mhepo nesimba renyukireya, indasitiri yechikafu, crane uye hoist, etc. Vanofarirwa zvakanyanya nevashandisi pasi rese nekuda kwekuita kwavo kwepamusoro, mutengo wakanyanya kukwikwidza uye basa rehunyanzvi.