Isu tiri vekutanga kugadzira michina yekuwachisa, michina yekuzadza, senge akasiyana emvura anozadza muchina, sosi yekuzadza muchina, uye paste yekuzadza michina nezvimwe;michina yekuisa macapping, michina yekuisa mazita, uye akasiyana siyana ekurongedza nezvimwe mune zvekudya, makemikari nemaindasitiri emishonga.