ʻO nā huahana nui e like me: directional drilling rigs, bolting rigs, piha hydraulic tunnel drilling rigs, hohonu hole drilling rigs, pneumatic crawler drilling rigs, pneumatic frame column drilling rigs, pneumatic pneumatic drilling rigs, pneumatic bolting rigs, electric road bolting machine, electric road bolting machine. ka hoʻokuʻu ʻana i nā mea hoʻoili pōhaku, nā kaʻa diesel pahū, nā kaʻa pneumatic flatbed, nā mea hana wili like ʻole a me nā huahana kākoʻo e pili ana.