Site Supervisor × Keywords: Airtightness Inspection
2 jobs found.
Gas Main Pipe Burial Worker
Gas main pipe burial workers install and bury gas main pipes underground for urban gas supply, constructing a safe gas supply network. They handle everything consistently from excavation to pipe joining, corrosion protection, and inspection.
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.