Pamene padziko lonse kupanga likulu pang'onopang'ono kusamukira ku dziko lathu, ndi laser kudula makina msika amafuna kukula. Ndipo njira yodulira laser ikusintha pang'onopang'ono njira zachikhalidwe chifukwa cha kusinthasintha kwake komanso kulondola kwambiri. Komanso, patapita zaka chitukuko, zoweta laser kudula luso wapeza kupambana kwakukulu.