Men Dressed In Checkered Shirts Walk Through Shopping Mall. (Stock Footage)

Men Dressed In Checkered Shirts Walk Through Shopping Mall. (Stock Footage)

Men dressed in checkered shirts walk through shopping mall. They keep sheets of paper in their hands where schemes and graphics of internal communications of building are pictured. They actively discuss better variants of placement low-voltage systems and electricity networks. Guys share opinion with each other to find one optimal solution for solving their problems. They look into graphs from time to time to check correctness of their judgments.

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