Answer: Skilled manpower
Step-by-step explanation:
When it comes to manpower, there are three basic types: skilled, semiskilled and unskilled.
Skilled manpower are those that have formal training in the field in question. They have gone through some form of tertiary education either in a University or technical college.
An expert in a field would most definitely be considered to be skilled manpower because experts have to be well versed in the subject in question and if they are well versed, it means that they have formal training which qualifies them as skilled manpower.