Ua hoʻokomoʻia ka hui POOCCA ma ka lā 06 o Kepakemapa 2012. ʻO Poocca kahiʻoihana lawelawe hydraulic piha e hoʻohui i ka R & D, ka hanaʻana, ka mālamaʻana a me ke kūʻaiʻana i nā pumps hydraulic, nā motika, nā mea komo a me nā valves.Hoʻohana nui ʻia nā huahana a me nā ʻenehana i ka mining ...
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