42 Engineering services; mining engineering services; civil and mechanical engineering services; industrial engineering design services; testing and evaluation of power-operated lifting machines and machinery; monitoring of earth moving, earth conditioning, material handling, construction, mining, and mineral processing and crushing machinery, engines and parts therefor, namely, truck bodies, teeth, adaptors, excavator buckets and bucket linings to ensure proper functioning; inspection of earth moving, earth conditioning, material handling, construction, mining, and mineral processing and crushing machinery, engines and parts therefor, namely, truck bodies, teeth, adaptors, excavator buckets and bucket linings for quality control purposes; testing of earth moving, earth conditioning, material handling, construction, mining, and mineral processing and crushing machinery, engines and parts therefor, namely, truck bodies, teeth, adaptors, excavator buckets and bucket linings; quality control of earth moving, earth conditioning, material handling, construction, mining, and mineral processing and crushing machinery, engines and parts therefor, namely, truck bodies, teeth, adaptors, excavator buckets and bucket linings for others; providing information, consultancy and advice relating to any of the aforesaid services