Kontrakitala agwiritse ntchito njira yopangira phokoso kapena njira yofananira nayo phokoso kuti achotse mutu wa mulu kupita pamlingo wodulidwa.
Kontrakitala aziyikiratu crack inducer kuti apereke mng'alu pa mulu pafupifupi 100 - 300 mm pamwamba pa mulu woduka mutu. Mipiringidzo yoyambira mulu pamwamba pa muluwu iyenera kulumikizidwa ku konkire ndi zinthu monga thovu la polystyrene kapena siponji ya rabara. Mukafukula pomanga milu ya milu, mitu ya mulu pamwamba pa mzere wong'aluka idzakwezedwa u pin lonse. Mamilimita 100 - 300 omaliza pamwamba pa mlingo wodulidwa ayenera kudulidwa pogwiritsa ntchito nyundo zamagetsi kapena pneumatic.
Nthawi yotumiza: Nov-10-2023