ʻO Spring balancer kahi mea kōkua no ke kau ʻana i nā mea hana hana kaumaha.Hoʻohana ʻia ia e nā poʻe e hana mau ana, hana hou i ka laina hana e kau, hōʻiliʻili, lawe a wehe i nā mea hana.He mea maʻalahi ka hana pneumatic, uila a me nā mea hana hydraulic;me kahi devi palekana...
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