Ligalase tsa welding tse fifalang ka boits'oaroke mofuta oa thepa ea ho itšireletsa (PPE) e sebelisoang ke li-welders ho sireletsa mahlo a bona khahlanong le mahlaseli a kotsi a ultraviolet (UV) le mahlaseli a infrared (IR) a hlahisoang nakong ea ho cheselletsa. Ho fapana le setsotjheseletsa likhalasee nang le lilense tse tiisitsoeng tse sa fetoheng, likhalase tse chesehang tse fifalang ka bohona li na le lense e ikhethileng e ikamahanyang le boemo ba eona ba lefifi ho latela khanya ea arc ea welding.Auto darkening welding goggles e fana ka li-welders ka ponahalo e ntlafalitsoeng, tšireletso ea mahlo, le matšeliso, e leng se etsang hore e be khetho e ratoang indastering ea li-welding. Li-goggles tsa welding li boetse li kenyelletsatjheseletsa likhalase.