- Industrial vessels, tanks, and containers (2)
- Process vessels, industrial: metal plate (1)
- Heat exchangers, plate type (1)
- Heat exchangers: coolers (after, inter), condensers, etc. (2)
- Boiler shop products: boilers, smokestacks, steel tanks (1)
- Mixers, for hot metal (1)
- Floating covers, metal plate (1)
- Cylinders, pressure: metal plate (1)
- Truss plates, metal (1)
