Mashin walda yana nufin kayan aiki da ke kare amincin masu aiki yayin aikin walda da yanke ayyukan.Shahararren suna shine kwalkwali na walda.
Matsayin abin rufe fuska na walda:
1. Kariyar ido: tace ninki biyu don gujewa cutar da ultraviolet da infrared radiation da ake samu ta hanyar arc, da lalacewar idanu da hasken walda mai ƙarfi ke haifarwa, da kuma hana electro-optic ophthalmia.
2. Kariyar fuska: yadda ya kamata yana hana fantsama da cutarwa jiki yin aiki a fuska da kuma rage faruwar kunar fata.
3. Kariyar numfashi: Jagorar kwararar iska na iya rage tasirin iskar gas da ƙurar da ake fitarwa ta hanyar waldawa ga jiki da kuma hana faruwar cutar pneumoconiosis na sana'a.

Babban garkuwarmu na IR na iya toshe 90% IR tare da watsawa 70%.