Hiki i ke kaʻina hana hoʻoheheʻe ʻana i ka lua ʻaoʻao ʻelua ke hoʻomaopopo i ka welding ma ke kūlana maikaʻi loa, ʻaʻole maʻalahi ka loaʻa ʻana o nā hemahema e like me ka misalignment, welding deviation a me ka komo ʻole ʻana, a maʻalahi ka mālama ʻana i ka maikaʻi o ka welding.