Worker underground with hand grinder is cutting big metal tube. Sparks are flying down to wet clay. Working staff in safety clothes, helmet, protectiv

- Image ID: KCAXKJ
rdonar / Alamy Stock Photo
Image ID: KCAXKJ
Worker underground with hand grinder is cutting big metal tube. Sparks are flying down to wet clay. Working staff in safety clothes, helmet, protective boots. Deep excavation pit.