42 Testing, analysis, and evaluation of industrial operations of others, namely, chemical and petrochemical, food and beverage, general manufacturing, marine and dredging, mining, power generation, oil and gas, pulp and paper, transit and railroad, tire and rubber, water and wastewater, and plastics, to assure compliance with industry standards; testing, analysis and evaluation of the goods of others to determine conformity with certification standards; inspection of mechanical, electrical, civil, and welding operations for others for quality control purposes; industrial x-ray inspection services; remote monitoring of the functioning and use of electrical and mechanical equipment, namely, motors, pumps, valves, boilers, compressors, turbines; engineering services, namely, engineering for the chemical and petrochemical, food and beverage, general manufacturing, marine and dredging, mining, power generation, oil and gas, pulp and paper, transit and railroad, tire and rubber, water and wastewater, and plastics industries