Nrog rau kev txhim kho tsis tu ncua ntawm laser thev naus laus zis, nws daim ntawv thov hauv kev tsim khoom of elevator tau qhib qhov muaj peev xwm tshiab: laser txiav, laser vuam, laser npav thiab laser txias thev naus laus zis tau siv hauv elevator tsim! Lasers yog kub-rhiab heev thiab yuav tsum tau dej chillers kom tswj tau qhov kub thiab txias, txo laser tsis ua hauj lwm thiab ncua lub tshuab lifespan.