ʻO ka pahu kuhikuhi kuhikuhi i ka hāmare kuʻi he ʻāpana kiʻekiʻe.I kēia manawa, liʻiliʻi nā mea hana i hiki ke hana ma Kina, no laila ʻaʻole haʻahaʻa ke kumukūʻai.
Nui nā ʻano mea no ka hoʻohuli ʻana i ka valve o ka hammer crushing excavator.I ke koho ʻana, pono e nīnau mua nā mea kūʻai aku i ka mea i hana ʻia, no ka mea, he ʻāpana kikoʻī kiʻekiʻe kēia, a hiki i nā huahana kīnā ke hana i ka ʻōpala hammer ʻōpala holoʻokoʻa, no laila makemake mākou e kūʻai i nā huahana kiʻekiʻe.