A person at a workplace (whether or not the person has another duty under this Part) must –

(a) take reasonable care for his or her own health and safety; and

(b) take reasonable care that his or her acts or omissions do not adversely affect the health and safety of other persons; and

(c) comply, so far as the person is reasonably able, with any reasonable instruction that is given by the person conducting the business or undertaking to allow the person conducting the business or undertaking to comply with this Act.