Trailer Stabilizer Jacks TJ mndandanda

"Ndiyenera" kutsitsa ndikutsitsa ma trailer mosatekeseka!
Kumanani ndi Mafotokozedwe a OSHA ndi mitundu yosiyanasiyana ya Trailer Stabilizing Jacks OSHA 1910.178(k)(3) akuti "Ma jacks okhazikika atha kukhala ofunikira kuti athandizire semi-trailer ndikuletsa kukweza panthawi yotsitsa kapena kutsitsa pomwe ngolo sinalumikizidwe ndi thirakitala" .

C. Ratchet Beam Jacks

* Mapangidwe a ratchet screw, osinthika.
* Kujambula kowala kowoneka bwino komanso chitetezo chachikasu.