Qaraxa Shenhai-Caddaynta
Qalabka makaanikada iyo korantada ee laga isticmaalo meelaha laga qodo dhuxusha waa ballaaran yihiin, ka kooban qaybaha sida mishiinada macdanta, qalabka korontada, qalabka gaadiidka, iyo hababka hawo-qaadista.
Kala duwanaantani waxay si gaar ah uga kooban tahay gooyayaal dhuxusha, madax wadada, mashiinada gaadiidka kala duwan, winches, taageerayaasha, bambooyin, matoorada, furayaasha, fiilooyinka, iyo kuwo kale.