(1) In this Part -

"agency worker" means an employee whose contract of employment is of the kind mentioned in paragraph (b) of the definition of "contract of employment" in section 3;

"associated employer" shall be construed in accordance with subsection (5);

"comparable employee" shall be construed in accordance with subsection (2);

"full-time employee" means an employee who is not a part-time employee;

"normal hours of work" means, in relation to an employee, the average number of hours worked by the employee each day during a reference period;

"part-time employee" means an employee whose normal hours of work are less than the normal hours of work of an employee who is a comparable employee in relation to him or her;