a) subject to sub-paragraph b) machinery and accessories for lifting loads are clearly marked to indicate their safe working loads;

b) where the safe working load of machinery of lifting loads depends n its configuration -

i) the machinery is clearly marked to indicate its safe working load for each configuration; or

ii) information which clearly indicates its safe working load for each configuration is kept with the machinery;

c) accessories for lifting are also marked in such a way that it is possible to identify the characteristics necessary for their safe use;

d) lifting equipment which is designed for lifting persons is appropriately and clearly marked to this effect; and

e) lifting equipment which is not designed for lifting persons but which might be so used in error is appropriately and clearly marked to the effect that it is not designed for lifting persons.