Blending equipment — The mixer barrel is similar to that of a concrete truck. Material from various bins is loaded into the weigh hopper (on the right), then added to the mixer barrel, mixed and loaded onto a truck.

Blending equipment — The mixer barrel is similar to that of a concrete truck. Material from various bins is loaded into the weigh hopper (on the right), then added to the mixer barrel, mixed and loaded onto a truck. (Michael South)

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