Lub laser npav tshuab kos txhua lub koob yees duab module nrog qhov pom meej thiab nyeem tau ob txoj kab sib chaws, uas tau xa mus rau cov txheej txheem txuas ntxiv, thiab raug txheeb xyuas los ntawm lub koob yees duab ntse thiab koom nrog cov hauv nruab nrog, uas tuaj yeem paub qhov kev nug rau tus tsim khoom lag luam thiab cov txheej txheem ntawm cov txheej txheem ntau lawm. Cov teeb meem tsim tawm hauv cov tswj tau tswj tau. Qhov tseem ceeb tshaj plaws yog khaws cov ntaub ntawv tom qab xa khoom, kom cov neeg tuaj yeem paub cov ntsiab lus ntawm cov khoom, nkag siab cov khoom siv ntau lawm, hnub ntau lawm thiab lwm yam teeb meem tseem ceeb, tab sis kuj tseem muaj cov ntaub ntawv lag luam hauv tuam txhab, uas ua lub luag haujlwm tseem ceeb hauv cov khoom kev tiv thaiv thiab nce qib.
