Installation, maintenance and repair services including diesel fitting, and auto-electrical servicing and repair; rental of equipment and machinery for the mining industry; advisory services thereto; the aforesaid services excluding building services and building maintenance services, and information technology (IT) services (computer, computer peripheral installation and maintenance); all of the foregoing services exclusively relating to the mining, diesel, electrical/auto electrical, and heavy industrial machinery and equipment industries; all of the foregoing excluding services in this class relating to the supply, service, maintenance and/or rental/hire of any pump (including, without limitation, any pump related to water, sludge, slurry or solids transfer of management), any pump related equipment or any equipment related to water management