Hoʻolauna Huahana
Hoʻohana ʻia ka pahu pōhaku paʻa lima no ka ʻeli pōhaku, nā lua puhi a me nā hana wili ʻē aʻe i loko o nā quarries, nā mines lanahu liʻiliʻi a me nā hana ʻē aʻe. He kūpono ia no ka ʻeli ʻana i nā puka ākea a i ʻole nā puka i ka pōhaku waena-paʻakikī a paʻakikī. Ke hoʻohālikelike ʻia me ka wāwae ea Model FT100, hiki iā ia ke puhi i nā lua mai nā ʻaoʻao like ʻole a me nā kihi.
Aia ma waena o 32 mm a me 42 mm ke anawaena o ka puka pahū. me ka hohonu kūpono mai 1.5m a 4m. Manaʻo ʻia e hoʻohālikelike ʻia me Model py-1.2"'/0.39 air compressor i hoʻohana ʻia e Model RS1100 diesel engine. Hiki ke hoʻohālikelike ʻia nā mea hoʻoheheʻe ea ʻē aʻe me kēia drill pōhaku.