Nilo Velez Download Small (768×512)48 KBMedium (1536×1024)158 KBLarge (2048×1365)267 KBOriginal Size (6000×4000)7 MB Alternative Text: A worker wearing a protective helmet and gloves is welding a metal structure outdoors. There is a stepladder leaning against the wall and a tree in the background. Sparks are visible at the point of welding.