(1) Ngwa eletrik eji eme ihe kwesịrị ịbụ nke ọma mkpuchi. Mgbe a na-eji ngwá ọrụ eletrik eme ihe n'ubi a na-ewu ihe, a ghaghị ịwụnye ihe nchebe nchekwa, dị ka ihe nchebe na-agbapụta, nchekwa iche iche nchekwa, wdg;

(2) iji angle grinder, grinders, kwesịrị iyi nchebe ugogbe anya, mgbe Mars ga n'ebe unmanned akụrụngwa akụkụ;

(3) ojiji nke akukukukuzinwo, kwesịrị malitere mgbe kọntaktị na workpiece, mkpọ ala oblique oghere kwesịrị igbochi na-amị amị mkpọ ala, ọrụ ike ozugbo wepụ ígwè filings na aka;

(4) ekwesịrị ịmalite turbine ájá tupu iru ọsọ ọsọ wee kpọtụrụ workpiece. Ekwesịrị ịwụnye ọta wiil egweri nke ọma;

(5) hụrụ igwe ihe ịkpụ ọrụ kwesịrị itinye kwụsie ike na-eji egweri wheel, iji gbochie sawing elu;

(6) iji Dianchui, onye ọrụ kwesịrị iyi okpu agha, yikwasị akpụkpọ ụkwụ mkpuchi, yana mkpa iyi ihe mkpuchi na iko.