Pakuchera dombo kudzika kwemamita 0-5, unogona kusarudza dombo remhepo-gumbo kushanda nemhepo diki compressor pazasi 8bar. Kudhirowa kwematombo kunoshandiswa zvakanyanya mukuvaka tunnel, kuvaka migwagwa yemudhorobha, makwari uye mamwe mamiriro ebasa nekuda kwekubatana, kuchinjika, uye mutengo wakaderera. Isu tine akasiyana siyana ematombo ekudhira modhi uye akasiyana emhepo compressor ekuti vatengi vasarudze kubva. Panguva imwecheteyo, isu tinopawo zvemhando yepamusoro zviboorero nemabhatani edombo.