Product Manufacturing and Processing Workers (Metal Products) X Keywords: Airtightness Inspection

2 matching jobs found.

Caulking Worker (Boilermaking)

This occupation involves filling gaps in seams and welds of metal containers after boilermaking with sealing material to ensure waterproofing and airtightness.

Duct Installation Worker

Specialized profession that installs air conditioning and ventilation ducts on site, including assembly, sealing, and airtightness testing.