Air deodorizing chemical preparations, namely, air deodorizer spray

Air sterilisers; Electric air deodorizers; Electro-chemical flue gas scrubbing machines; Equipment for treating groundwater and soil comprising distribution lines, distribution manifolds, drop tubes, well seals and blowers; Fabric air dispersion ducts for distributing and dispensing air as part of a HVAC system; Gas burners; Gas purification machines; [ Heated polymerization units for dental restoration compounds; ] Heating installations; Water purification and filtration apparatus; Water pur...