  A middle-aged adult Caucasian father and son assembling a fake ... Dynamic Graphics Value
 Two male doctors putting together a statue of a DNA strand Dynamic Graphics Value
 Businessman putting together co-worker from a box Dynamic Graphics Value
 Electronic circuit boards on conveyor belt passing in front of worker ... Image Club Clipart
 Electronic circuit boards on conveyor belt passing in front of worker ... Image Club Clipart
 Crane assembling office tower out of topless boxes containing offices ... Stockbyte Photos
 People assembling office tower from prefabricated pieces Stockbyte Photos
 Two people work as a team to complete their tasks Image Zoo Illustrations
 Two men holding puzzle pieces that can be fitted together Image Zoo Illustrations
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