Ukunwetshwa kwehange le-rock concrete wedge

Ibhawodi lehange le-wedgeAkudingi ukujula kwembobo okunembile noma ukuhlanzwa kwembobo ngaphandleihange le-concrete wedgeingashaywa ngesando ngaphansi kobuso bukakhonkolo lapho kungadingeki isikhathi esideIsiqeshana sesiqeshana esisodwa senziwa sizungeze ihange, siqinisekise ukunwetshwa okugcwele kwamandla okubambile athembekile.aphezulu, isiqeshana esinwebayo ngeke siwe noma kusonteke embobeni.