ʻO nā hiʻohiʻona nui o ka pololei o nā paipu māmā: Paipu me ka pololei o ka paia, hoʻopau kiʻekiʻe, ʻaʻohe wela-hana ʻia ʻana o ke kila oxide, ka paia o loko o ke kila maʻemaʻe kiʻekiʻe e kū i ke kaomi kiʻekiʻe, ke anuanu deformation, flaring, flattening ʻaʻohe māwae, hiki ke hana i kahi. ʻano ʻano deformation paʻakikī a me ka mīkini...
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