Tu'ufa'atasia ma tekinolosi maualuga a Siamani ma Iapani, PCKW fa'asologa e le-jam toe fa'afo'i samala crusher o le ituaiga fou o meafaigaluega tu'imomomo lelei.E mafai ona faʻaaogaina lautele i le mining, vailaʻau vailaʻau, mea faufale, eletise eletise, metallurgy ma isi mea faapena, nutimomoia r ...
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