8. Pofuna kupewa kuwonongeka kwa zida zoyambitsidwa ndi kuchuluka, pali kuchuluka kwamphamvu komwe kumayambitsa chipangizo cha Hydraulic. Chotupa chikadutsa katundu wovota, valavu yochulukirapo idzatsegulira, ndipo Hydraulic yophatikizika ndi Tonnige yayikulu imagwiritsidwa ntchito m'malo mwake.
Mitundu yosiyanasiyana ya totop ndi tanthauzo lake
Momwe Mungapangire Chuma Chabwino
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