Waste water treatment apparatus; Water treatment apparatus; Water treatment apparatus for water purification; Installations relating to membrane filtration technology; Membrane purifying apparatus for the purification of water; Membranes for the filtration of water; Installations for water filtration; Water filtration apparatus; Water filtration installations; Apparatus for waste water purification; Installations for the recycling (purification) of waste water; Installations for the treatment of industrial waste water; Installations for waste water engineering; Purification installations for waste material; Machines for processing (purifying) water; Machines for purifying water; Machines for water filtering (purifying); Water purifying installations; Water purifying machines; Machines for the treatment (purification) of water; Water purification apparatus; Water purification installations; Water purification machines

Construction engineering; Electrical engineering services (construction); Building project management; Machinery installation, maintenance and repair; Maintenance and repair of electrical apparatus; Electrical installation services; Electrical wiring services