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[351667727] Industrial cnc plasma cutting of metal plate
[794014519] Male in face mask welds with argon-arc welding
[368529578] Cooperation Corporate Achievement Planning Design Draw Teamwork Concept
[261329435] Exhaust hood with spiral air duct for ventilation in production process
[260240315] industrial construction worker at boiler room pipe heat insulation work
[611554499] Worker making final touches to HVAC system. HVAC system stands for heating, ventilation and air conditioning technology
[746924212] Ventilation pipes on the outside wall of the Industrial building