Label
Big machines at work
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Incoming Resources
- Concrete mixers, by Jean Eick
- Diggers, by Marv Alinas
- Tow trucks, by Cynthia Amoroso
- Cranes, by Marv Alinas
- Bulldozers, by Marv Alinas
- Tractors, by Hal Rogers
- Airplanes, by Cynthia Amoroso
- Dump trucks, by Cynthia Amoroso
- Trains, by Hal Rogers
- Cherry pickers, by Hal Rogers