The value of safety signs in these situations shouldn ... alone because symbols carry universal meaning. Symbols allow fast communication of hazards and information. You may use three types ...

The first thing to consider with health and safety in the ... always be in place. Other hazards that can be found in the workshop will also have different warning symbols on or near them.

According to Occupational Safety and Health Administration ... permanently displayed. The hazard warning must provide the health and physical hazards of the chemical. This can be done through pictures ...