Mawonekedwe
Monga chitsanzo chokhala ndi mphamvu zamphamvu, zopulumutsa mphamvu zabwino, chitetezo chapadera cha chilengedwe ndi kukhazikika kwamphamvu, ndi zina zotero, komanso zoyenera kwambiri pa zomangamanga, migodi, tunnel ndi malo ena omangira okhwima, XE370CA hydraulic excavator yatengera mapangidwe apamwamba ndi njira zopangira. Miyezo yaposachedwa molingana ndi lingaliro la kapangidwe kazinthu "zochita bwino kwambiri, kupulumutsa mphamvu kwamphamvu komanso chitetezo chambiri cha chilengedwe", komanso chandamale cha "ntchito zamphamvu, kuchuluka kwa ntchito komanso kupanga kwamtengo wapatali kwa makasitomala".