Ivhavha ndiyo imwe yeakanakisa block valves inoshandiswa kune maindasitiri sekudziya kwemaguta, gasi remuguta, indasitiri yemakemikari, simba, pombi yegesi yechisikigo, indasitiri yemwenje, chikafu, machira etc. Mushure memakore ekuedzwa kwemusika, mhando yechigadzirwa inosvika pamwero wakafanana wezvigadzirwa zvakafanana kune dzimwe nyika. Saka ine mukurumbira wakanaka pakati pevashandisi.

Indasitiri yeNuclear, indasitiri yemakemikari epeturu, indasitiri yemagetsi uye indasitiri yezvemuchadenga, pamwe nekuita tekinoroji otomatiki. . . . . . kudiwa munyika yose indasitiri mavharuvhu, kusanganisira kuchera.