Khoos phib tawj chassis, hloov hluav taws xob, txee, txheem hluav taws xob, of the elevator, hloov chaw tsim khoom
Xaiv Golden laser Vtopt vtopt cov khoom siv, pom cov khoom siv yog qhov ruaj khov, tsis tas yuav txhim kho kev ua haujlwm ntxiv, txo cov nqi ntau lawm, txo cov nqi ntau lawm, txo cov nqi ntau lawm. Chassis cov khoom lag luam thiab txhawb kev kho kom zoo dua vim muaj cov khoom lag luam me me, kuj muaj peev xwm ua pov thawj me me rau peb cov neeg siv khoom muaj zog.