Hoʻohana nui ʻia nā kaulahao Roller i nā ʻoihana like ʻole e like me ka hana ʻana, automotive, a me ka mahiʻai ma muli o ko lākou ikaika, hilinaʻi, a me ka pono i ka lawe ʻana i ka mana mechanical.Aia kēia mau kaulahao i nā wili cylindrical i hui pū ʻia e nā papa, e hana ana i kahi ʻōnaehana maʻalahi e ...
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