Ua hoʻolako ʻo TDSNā mea hana wili DTHno na hana eli.
DTH Hammer 3″/4″/5″/6″/8″/10″/12″, Pumi ea kiʻekiʻe, kaomi ea haʻahaʻa.
Nā ʻāpana pihi DTH DHD/QL/Mission/SD/NUMA/BR moʻo.
DTH Drill paipu 76mm/89mm/102mm/114mm/127mm/140mm.
Nā hiʻohiʻona
—Lihi ola lōʻihi DTH Hammer
—E hoʻohana i nā ʻāpana drill pale
—Pula hoʻoheheʻe kiʻekiʻe
—Kupaa
—Polopono