Minimum open aisle width for standard counterbalance forklift is 10.5-13.1 ft. You can look at the minimum aisle width for different equipment here, or calculate yourself with an instruction here.
LO 1, AC 1.3

The purposes of a warehouse are to keep the inventories in good condition and to ensure that the operations is smooth. In the scenario, the warehouse has 2 stories, with goods-in and goods-out areas located on the ground floor and a lift connecting the stories. The lift could become a bottleneck if the goods inside the warehouse are not well-arranged.
Since the lift is often small with limited load capacity, putting heavy bulk items on the first floor will cause bottleneck and increase the chance of accidents. Therefore, palletised items (even they have low-usage) should be placed on the ground floor. Smaller and lighter items should be stored on the first floor.
This questions does appear in the real exam. To answer the question, students should imagine the situation.
Reference: CIPS study guide page 11-13
LO 1, AC 1.1

For JIT manufacturing to succeed, companies must have steady production, high-quality workmanship, glitch- free plant machinery, and reliable suppliers.
JIT production systems cut inventory costs because manufacturers do not have to pay storage costs.
Manufacturers are also not left with unwanted inventory if an order is canceled or not fulfilled.
Reference:
- Just in Time (JIT)
- CIPS study guide page 122-124
LO 2, AC 2.3

Indirect supplies support operations without becoming part of the final product. They impact operating costs (e.g., maintenance supplies), supporting the production environment but not the end product. Managing indirect supplies is crucial in whole-life asset management to control overhead costs and ensure uninterrupted operations.