Safety references
Safety references are instructions intended to prevent hazards. They must be stringently observed!
Safety reference to avoid situations which may result in damage to a device or its equipment.
Safety reference to avoid a potentially hazardous situation which may result in minor or moderate injury.
Safety reference to avoid a potentially hazardous situation which could result in death or serious injury.
Safety reference to avoid an imminently hazardous situation which may result in death or serious injury.