Description: Central vacuum cleaning installations; Cleaning appliances utilizing steam; Cleaning machines for ponds; Dust exhausting installations for cleaning purposes; Mixing machines; Pumps for machines; Vacuum cleaner hoses; Vacuum cleaners; Valves being parts of machines; Automated hydro-thrust cleaning units for pipelines; Carpet cleaning machines, namely, carpet extractors; Industrial robots; Material handling machines, namely, palletizers, case elevators, automatic pallet dispensing machines and automatic slip sheet dispensing machines; Pipe cleaning machines; Steam cleaning machines; Vacuum pumps | Air filtering installations; Air purifying apparatus and machines; Bath installations; Filters for drinking water; Water filtering apparatus; Water purification installations; Water sterilizers