Workers pouring a concrete pad outside a new commercial building.
Bissone, Switzerland - 22 May 2009: Street workers pouring cement with a pump into a highway construction at Bissone on Switzerland
Asian expert checking the quality requirements of manufactured industrial steam boilers
Asian expert checking the quality requirements of manufactured industrial steam boilers
Industrial work. Priming of metal products from the compressor gun. A worker in overalls and a respirator paints the body of a truck trailer