A kānana wiliwili, i ʻike ʻia ʻo aleki wiliwilior wili kānana lens, he lens pale i ho'ohana'ia i nā mahiole wili a i'ole nā maka maka no ka pale'ana i nā maka o ka welder mai ka radiation pō'ino a me ke kukui ikaika i ho'oku'u'ia i nā ka'ina hana. Kōkua ia i ka kānana ʻana i nā kukuna ultraviolet (UV), pāhawewe infrared (IR), a me nā kukui ʻike ikaika ʻia i hana ʻia e ka arc welding. ʻO ka pōʻeleʻele a iʻole ka malu o ka kānana e hoʻoholo i ka nui o ka mālamalama e hoʻounaʻia ma o ia. ʻO nā ʻenehana wiliwili like ʻole, e like me MIG, TIG, a i ʻole wili lāʻau, pono paha i nā pae malu ʻokoʻa. Loaʻa nā kānana welding i nā aka like ʻole, maʻamau mai ka malu 8 a i ka malu 14, me nā helu malu kiʻekiʻe e hāʻawi ana i ka palekana mai ka mālamalama ikaika. ʻenehana pouli.
