Ma nā hana hana a me nā ʻoihana ʻoihana, ʻike nā ʻili countersunk i ka hoʻohana ākea ma muli o ko lākou hiki ke komo i nā ʻili a mālama i kahi helehelena maʻalahi. ʻO nā ʻano like ʻole o nā wili countersunk, e like me ke ʻano o ka pua, ke ʻano keʻa, slotted, a me hexagonal, e ʻae i ka ...
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