■ This is a precaution that, if unheeded, will result
in a hazardous situation where there is an
imminent danger of serious injury or death.
■ This is a precaution that, if unheeded, could
result in a hazardous situation where there is a
possibility of serious injury or death.
■ This is a precaution that, if unheeded, may result
in a situation where there is a possibility of
minor or moderate injury or damage to
property.
■ This is an additional instruction which may
contain a special precaution on company
policy related, either directly or indirectly, to
the safety of personnel or to the protection of
property.