Across
- 1. toxic represent as the traditional skull and crossbones symbol is used to identify chemicals in GHS pictograms.
- 3. method is used to operate a fire extinguisher.
- 4. stands for 8hrs work per day.
- 5. are activated automatically when pressure exceeds prescribed pressure limits in order to return equipment pressure to a safe operating level.
- 7. hand gloves used for handling cold materials.
- 8. hazards is defined as blue color in NFPA diamond.
- 10. is defined as yellow color in NFPA diamond.
- 14. permit required for photography inside vessel entry.
- 16. oxygen and ignition source are required in same proportion to occur fire.
Down
- 1. is a root of chemical entry through skin inside body.
- 2. is the acceptable average exposure over a short period of time, usually 15 minutes as long as the time-weighted average is not exceeded.
- 6. sections are available in MSDS.
- 9. stand by duty required at the site of hot work after completion of the hot work to verify the absence of any heat source by fire observer.
- 11. hand gloves are used for handling acids.
- 12. are designed to Protect People from electrical Shocks in electrical equipments.
- 13. is the amount of the substance required (usually per body weight) to kill 50% of the test population.
- 15. extinguishers is suitable for a fire involving flammable liquids.