Izvo zvakasiyana-siyana zvezvigadzirwa zvakashandiswa zvakanyanya muminda yakawanda yemaindasitiri senge rabha nemapurasitiki, zvimbambaira zvesimbi, mhepo nesimba renyukireya, indasitiri yechikafu, crane uye hoist, etc. Vanofarirwa zvakanyanya nevashandisi pasi rese nekuda kwekukwirira kwavo. kuita kwepamusoro, mutengo wakanyanya kukwikwidza uye basa rehunyanzvi.