7General duties of employees at work
It shall be the duty of every employee while at work—
(a)to take reasonable care for the health and safety of himself and of other persons who may be affected by his acts or omissions at work; and
(b)as regards any duty or requirement imposed on his employer or any other person by or under any of the relevant statutory provisions, to co-operate with him so far as is necessary to enable that duty or requirement to be performed or complied with.