Which practice contributes to successful inventory control?

Regularly training staff on inventory procedures is crucial for successful inventory control because it ensures that employees are well-versed in the best practices for managing stock. Proper training equips team members with the knowledge and skills needed to accurately track inventory levels, conduct audits, and handle product receiving and returns efficiently. This leads to a reduction in errors, improved accuracy in stock counts, and better overall management of inventory, all of which are essential for maintaining optimal stock levels and minimizing waste.

The other options do not effectively support successful inventory control in the same way. For example, restricting product returns may limit the ability to manage unsold stock effectively, while eliminating product lines can restrict the variety offered to customers. Increasing the number of vendors could complicate supply chain management rather than simplify it. Thus, ongoing training for staff stands out as the most direct method to enhance inventory control practices.