What is batching of concrete?Define weigh batching.What is volume batching?What is the use of chute.

What is batching of concrete?Define weigh batching.What is volume batching?What is the use of chute in concreting?What are belt conveyors?Define mixing time of concrete.What is retempering?State any two uses of wheel barrow.What is hoist?. Define revibration.nto a layer of hardened concrete below 11. What is surface treatment of concrete?Define curing.