Onetsetsani kukana kwakubala, kubala mphamvu, kulimba, ndi kutalikirana kwa malonda
▲ "Chenli" ili ndi trolley yomveka bwino.
▲ Pafupi ndi trolley wamba timagwiritsa ntchito unyolo kuti tisunthire ndipo trolley yomwe timayikoka timakoka zinthuzo kuti zisunthe.
▲ Trolley imatha kugwira ntchito momasuka pa I-beam.
▲ Lever hoist itha kukonzedwa pansi pa trolley.
STEEL JACK Zolemba malire Safety Ntchito Katundu chizindikiro.