The correct option is A.
When using crane at a construction site, it is required that:
1.A poster should be posted at the job site with an illustration of the hand signals that every operator and personnel working with the crane and around the crane must know.
2. Hand signals for crane and derrick operators should be those set by the American National Standard institute customize for the type of crane in use.<span />
Answer: Transaction processing system
Explanation:
A transaction processing system basically records all the data in the system. It is the set of data that basically monitor all the transaction process in the system. It basically perform various transaction oriented applications in the system.
It also allow time delay in the system when the item is supposed to being sold to the actually selling of the item. There are basically various types of transaction processing system arr payroll, account payable and the inventory control.
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