Monga tikudziwira, anthu ambiri akhala akudziwa za thanzi la thupi, kenako zida zolimbitsa thupi zimatchuka kwambiri komanso zimakondedwa, monga momwe zilili ndi thanzi, pali zida zolimbitsa thupi, motero, makampani opanga zida zolimbitsa thupi akukwera pang'onopang'ono. Ndi ukadaulo wa VTOP LASER wodula laser ndi kuwotcherera laser, VTOP LASER yapeza makampani ambiri opanga zida zolimbitsa thupi, makamaka makina athu odulira laser a chitoliro P2060.