You Are the Auditor of an Engineering Firm Called Thumpit

You are the auditor of an engineering firm called Thumpit & Hope Ltd. You are planning for a physical inventory count at the company's warehouse on 31 August 201X. The company assembles domestic appliances, and inventory of finished appliances, unassembled parts and sundry inventories are stored in the warehouse which is adjacent to the company's assembly plant.
The plant will continue to produce goods during the stock count until 5 pm on 31 August 201X. On 30 August 201X, the warehouse staff will deliver the estimated quantities of unassembled parts and sundry inventories which will be required for production for 31 August 201X; however emergency requisitions by the factory will be filled on 31 August. During the inventory count, the warehouse staff will continue to receive parts and sundry inventories, and to despatch finished appliances. Appliances which are completed on 31 August 201X will remain in the assembly plant until after the physical inventory count has been completed.
Describe the procedures which Thumpit & Hope Ltd should establish in order to ensure that all inventory items are counted and that no item is counted twice.