ʻO nā huahana pneumatic hydraulic jack ka hoʻohana ʻana i ke kinoea i hoʻopaʻa ʻia e like me ka mana, kaomi wai a me ka telescopic hydraulic cylinder o kahi ʻano mea hoʻokiʻekiʻe hou, loaʻa iā ia ka hoʻolālā nani, ka liʻiliʻi liʻiliʻi, ke kaumaha māmā, maʻalahi ka hana, ka manawa a me ka ikaika, ka tonnage hāpai nui. , hoʻohana nui ʻia ka wai i ka hāpai ʻana, kūpono loa no nā kaʻa, nā tractors a me nā ʻoihana hoʻoponopono ʻē aʻe.