ʻO ka Roller conveyor he mea koʻikoʻi ka nui o kēia manawa i nā lako lawe, i hoʻohana nui ʻia i ka mana, ka palaoa, ka metallurgy, ka ʻoihana kemika, ka lanahu, ka mining, ke awa, nā mea kūkulu hale a me nā māla ʻē aʻe.ʻO ia hoʻi ma muli o kāna ākea ākea o nā mea lawe, ākea ākea o ka hiki ke lawe, st ...
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