Use of control measures etc.
11.—(1) Every employer who provides any control measure, other thing or facility pursuant to these Regulations shall ensure so far as is reasonably practicable that it is properly used or applied as the case may be.
(2) Every employee shall make full and proper use of any control measure, other thing or facility provided pursuant to these Regulations and, where relevant, shall—
(a)take all reasonable steps to ensure it is returned after use to any accommodation provided for it; and
(b)if he discovers a defect therein report it forthwith to his employer.