For their part, employees should ensure that they understand the health and safety precautions in use, that they observe them and also that they make use of protective equipment.
(they; observe; them) (employees; should ensure; that they understand the health and safety precautions in use, that they observe them and also that they make use of protective equipment) Context(employees should ensure,List([16, 39))):(they; understand; the health and safety precautions in use)
employees should ensure,List([16, 39))
they employees they
observe should ensure understand
them
that they understand the health and safety precautions in use, that they observe them and also that they make use of protective equipment
the health and safety precautions in use