Site Supervisor × Keywords: Mask
2 jobs found.
Spray Waterproofing Worker
Specialized profession that uses spray machines to form waterproof membranes on building rooftops and exterior walls to prevent rainwater intrusion.
Etching Engraver
Specialized technician who uses chemicals to corrode metal plates and similar materials to form patterns or letters. Performs the entire process from mask printing to corrosion, washing, and finishing.