Photo credits

Every photo here is used under its author's licence. Thank you to each of them.

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  Teal Kobelco compact excavator with its bucket raised working on a pile of rubble and soil beside a yellow crusher.

  Classiccardinal. CC BY-SA 4.0. Original

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  Red mini excavator fitted with a hydraulic breaker standing on gravel beside a corrugated wall.

  Cjp24. CC BY-SA 4.0. Original

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  Yellow mini excavator with its bucket lowered on bare soil next to piles of stone and gravel, with trees and houses behind.

  Daderot. CC0. Original

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  Yellow tracked dumper truck with its tipping body raised, standing on muddy ground in an open field under a blue sky.

  Dominicus Johannes Bergsma. CC BY-SA 4.0. Original

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  Small blue site dumper with a front-tipping bucket parked on a hard surface beside a stone wall.

  Jon Shave. CC BY 2.0. Original

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  Yellow Yanmar mini excavator with its bucket resting on the grass verge beside a road.

  Andrej Danković. CC BY 3.0. Original