SAFETY WEEK PUZZLE

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.

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.