Umgaqo wokusetyenziswa komatshini wokucoca i-laser ye-CW usekelwe kwisiphumo se-photothermal kunye nesiphumo se-photomechanical: umqadi we-laser oqhubekayo onamandla aphezulu ukhanyisa umphezulu wesixhobo somsebenzi, kwaye izinto ezingcolisayo (ezifana nomhlwa, ioyile, ukugquma) zifunxa amandla ngoko nangoko, nto leyo ebangela ukunyuka okukhawulezileyo kobushushu, ukufuma okanye ukuxobuka ngokuthe ngqo, ngelixa izinto ezisisiseko zihlala zinjalo ngenxa yesantya sazo esiphantsi sokufunxa okanye ukuqhuba kobushushu ngokukhawuleza, ngaloo ndlela zifezekisa "ukucoca okubandayo" okuchanekileyo, okungahambelaniyo.