Final answer:
Clippers and trimmers can be used to trim beards and mustaches. Both clippers and trimmers have different purposes and blade sizes, allowing for different cutting lengths.
Step-by-step explanation:
True
Both clippers and trimmers can be used to trim beards and mustaches. Clippers are typically used for cutting longer hair while trimmers are designed to cut shorter hair more precisely. They both have different blade sizes and attachments that allow for different cutting lengths. For example, clippers may come with attachments that can be adjusted to cut hair to different lengths, while trimmers may have smaller blades that can trim hair in tight and hard-to-reach areas of the face.