Section 041-23-1 - Definitions1.Aesthetician Trainee. "Aesthetician Trainee" is a person who holds a valid trainee license pursuing a course of study in aesthetics within a licensed establishment, under the direct supervision of a qualified aesthetician or a cosmetologist experienced in the practice of aesthetics.2.Barber Trainee. "Barber Trainee" is a person who holds a valid trainee license pursuing a course of study in barbering within a licensed establishment, under the direct supervision of a qualified barber or a cosmetologist. 3.Cosmetologist Trainee. "Cosmetologist Trainee" is a person who holds a valid trainee license pursing a course of study in cosmetology within a licensed establishment, under the direct supervision of a qualified cosmetologist.4.Limited Barber Trainee. "Limited Barber Trainee" is a person who holds a valid trainee license pursing a course of study in limited barbering within a licensed establishment, under the direct supervision of a qualified barber, limited barber or cosmetologist. 5.Nail Technologist Trainee. "Nail Technologist Trainee" is a person who holds a valid trainee license pursuing a course of study in nail technology within a licensed establishment, under the direct supervision of a qualified nail technologist or cosmetologist.02-041 C.M.R. ch. 23, § 1