PERFT' s trackless hloov tsheb yog tsim nyob rau hauv kev zoo ntawm kev dog dig khiav hluav taws xob ca tsheb. Nws yog hom tshiab ntawm cov tsheb tsis hloov pauv uas muaj ntau txoj haujlwm thiab tsim kho kom tau raws li cov kev mob tshwj xeeb ntawm cov neeg siv khoom.
Tsheb tsis siv lub tshuab tuaj yeem xaiv lub log siv roj hmab polyurethane roj hmab lossis lub log pneumatic raws li siv chaw ib puag ncig thiab thauj khoom. Cov koob ntawm cov khoom lag luam yog siv dav hauv kev tsim cov tsheb, dav hlau thiab nkoj, stamping thiab thauj cov pwm, hlau xa tawm thiab tsheb thauj mus los, thiab cov tshuab loj thiab cov khoom sib dhos.
Piv nrog rau cov pa hluav taws xob zoo li qub hluav taws xob lub tsheb, lub tsheb tsis hloov pauv tau muaj ntau yam zoo dua, xws li kev siv ntau yam ntawm kev khiav thiab taug kev, hloov mus rau ntau qhov chaw sib txawv, muaj qhov muaj peev xwm nce toj siab, thiab lub peev xwm thauj tau loj heev. Ntsig, kom ua tau raws li cov cai ntawm cov neeg siv feem ntau.