Mapiritsi anopwanya anoumbwa nemuviri we pliers, hydraulic cylinder, shaya inofambiswa uye shaya yakagadziriswa.Muviri wepliers unoumbwa nemazino eshaya, mablades, uye mazino akajairika.Iyo yakaiswa pane excavator uye ndeyekubatanidzwa kweiyo excavator.
Kupwanya tongs ikozvino kushandiswa zvakanyanya muindasitiri yekuputsa [1].Munguva yekuputsa maitiro, inoiswa pane yekuchera kuti ishandiswe, kuitira kuti mushandisi mumwe chete wekuchera anodiwa.