6
Storage tanks of metal; Gas storage tanks of metal; Tanks of metal for the storage of liquefied gases; Metal fluid storage tanks; Industrial water storage tanks of metal; Tanks of metal for the storage of compressed gases; Internal floating lids of aluminium for use with gas or liquefied gas storage tanks; floating roof storage tanks; roof drains of metal; roof drain systems of metal; floating roof drains of metal; floating roof drain systems of metal
11
Fire check Ballooning Relief Valve for External Floating Roofs; Pressure relief valves [safety apparatus] for gas apparatus; Pressure relief valves [safety apparatus] for water apparatus
17
Seals (Non-metallic -) for floating roof storage tanks; Primary seals for floating roof storage tanks; Secondary seals for floating roof storage tanks; Rim seals; Gauge Pole Seals; Guide Pole Seals; Rim seals for floating roof storage tanks; Gauge Pole Seals for floating roof storage tanks; Guide Pole Seals for floating roof storage tanks; internal floating roofs for liquid storage tanks; external floating roofs for liquid storage tanks
20
Wood storage tanks; Plastic storage tanks; Water storage tanks (Non-metallic -) [containers]; Storage tanks not of metal or masonry; Liquid storage tanks; Water storage tanks; Gas storage tanks; floating roof storage tanks
37
Cleaning of storage tanks; Maintenance and repair of storage tanks; Maintenance and repair of above ground petrochemical storage tanks; Maintenance and repair of floating roof storage tanks; Maintenance and repair of liquid storage tanks; Providing information relating to the repair or maintenance of storage tanks; Providing information relating to storage tank cleaning services
42
Prediction measurement of emissions of liquid storage tanks; analysis of emissions of liquid storage tanks; testing of emissions; evaluation of emissions of liquid storage tanks; monitoring of emissions of liquid storage tanks; technical supervision and inspection of liquid storage tanks; technical measuring and testing of liquid storage tanks; prediction measurement of emissions of floating roof storage tanks; analysis of emissions of floating roof storage tanks; evaluation of emissions of floating roof storage tanks; monitoring of emissions of floating roof storage tanks; technical supervision and inspection of floating roof storage tanks; technical measuring and testing of floating roof storage tanks; inspection of storage tanks; inspection of above ground petrochemical storage tanks; mechanical engineering; technical engineering; engineering (engineering work); engineering consultancy services; engineering of primary seals for liquid storage tanks; engineering of secondary seals for liquid storage tanks; engineering of internal floating roofs for liquid storage tanks; engineering of external floating roofs for liquid storage tanks; engineering of rim seals, gauge pole seals, guide pole seals, guide pole seals for liquid storage tanks