Certified Logistics Technician (CLT) Practice Exam 2025 – The All-In-One Guide to Master Your Certification!

Work in progress (WIP) represents items that are in various stages of production but are not yet complete. This stock includes partially-finished goods that have started the manufacturing process but have not yet been transformed into finished products. It captures all items that are currently being worked on but still require additional labor, processing, or assembly before they can be classified as finished goods.

WIP is an important measure in manufacturing because it helps in understanding production efficiency and capacity. By tracking WIP levels, companies can pinpoint areas that might need improvements or where production is bottlenecking. In contrast, raw materials are the basic inputs that haven’t yet begun to undergo production processes, while finished goods refer to products that have completed the manufacturing process and are ready for sale. Maintenance inventory includes spare parts and supplies needed to maintain equipment in the production process, rather than being involved directly in production.