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Umgangatho ophakamileyo weConcrete oPhakamileyo
Xa kuthelekiswa nemigangatho yesamente yendabuko, ukusebenza komthwalo walo mgangatho kwandiswe ngamaxesha angama-3, umthamo oqhelekileyo wokuthwala umthwalo kwimitha yesikwere ungadlula i-2000kgs, kwaye ukuchasana kokuqhekeka kwanda ngamaxesha angaphezu kwe-10.
