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Engineer checking photovoltaic installation
Engineer checking photovoltaic installation
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Jan.11, 2013 13:00:12
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COMPUTER SKY BUSINESS NATURE ENVIRONMENT PLANT ENERGY LIGHT SOLAR MAN ELECTRIC ELECTRICITY POWER TECHNOLOGY ARCHITECTURE CONSTRUCTION INDUSTRY ECOLOGY CELL WIRELESS MANAGER LAPTOP PANEL PERFORMANCE HELMET SAFETY SECURITY ALTERNATIVE ENGINEERING SITE WORKER RUNNING ENGINEER ANALYSIS RESULTS SENSOR JACKET INSTALLATION RENEWABLE SOLARIUM OPERATION CHECKING COLLECTOR FUNCTION CONSTRUCTOR SETUP ECO FRIENDLY WALKIE TALKIE WALKIE PHOTOVOLTAIC