Without prejudice to the other provisions of this Act and subject to any agreement between the parties, a collective agreement may include provisions on the following matters:
(a) the class or category of workers to which it relates;
(b) the conditions of work, including the hours of work, rest period, meal breaks, annual leave, occupational health and safety measures;
(c) the remuneration and the method of calculating the remuneration of the workers;
(d) the period of probation and conditions of probation;
(e) the period of notice of termination of employment, transfer and discipline;
(f) the procedures for the avoidance and settlement of disputes arising out of the interpretation, application and administration of the agreement;
(g) the principles for matching remuneration with productivity; and
(h) the essential services within the establishment