-
The first diagram shows that , limestone and clay are crushed into a powder form (using crusher)
Then it passed (passes) via
rotating heater with the supporting fire (at the other end of the tube) in the end of mechanism
The second diagram depicts the process where all the main components such as 15% of cement , 10% of water , 25% of sand and 50% of gravel are mixed together in a huge machine to create concrete . (you could mention the specification of gravel as mentioned in the diagram )
Feedback : Include all steps and specifications(if possible) , to reach required word limit
Band: 2/3
