Cleaning of buildings; industrial dry, purtrescible and liquid waste collection and disposal, sanitary and sullage collection and disposal; operation and maintenance of landfill sites, including secure landfills; collection and disposal of quarantine and pathological waste; cleaning and repair of blocked drains; cleaning service for toilet blocks; on-site shredding of tyres; industrial liquid waste collection; mobile dewatering plants for the on-site treatment of liquid waste; emergency spill clean-up unit; collection and disposal of hazardous and interactable wastes; solvent and oils recovery; industrial tank cleaning; collection and disposal of grease trap waste; collection and sorting of domestic recyclable materials; street sweeping; industrial sweeping; industrial and commercial cleaning; tank cleaning; disposal of effluent sludges such as from sewerage treatment plants, oil refineries and wool scouring plants; disposal of other wastes and contaminated materials; namely, soils, industrial and commercial plant facilities and machinery and the disposal of sludges from lagoons, settling tanks and storage facilities; confidential documents destruction and on site shredding of documents; management, operation and clearance of sites where waste products and materials are initially collected, sorted and then treated, recycled or disposed of; services in this class in relation to the provision of on-site stationary and mobile compaction systems; professional advisory services to commerce and industry relating to the cleaning of industrial and commercial sites, including the collection, treatment and disposal of waste from the sites