Manual visual inspections include everything from filling the product, inspecting it, and acceptance sampling (AQL), which means a certain amount of product is scrutinized at a higher level. If a certain percentage of the total amount being tested shows defects, the entire batch must be addressed. Continuing education following training is important; industry trends are moving so quickly, and adapting so dramatically, it is challenging to keep up with these regulatory guidances, which are revised and updated periodically. The responsibility is on the manufacturer. Just a few examples of FDA’s guidance with respect to manual visual inspections include: