Answer:
Hazards:
1. Electric shock.
2. Explosion.
3. Flash burns.
Effects:
1. Severe injuries or even death.
2. Trauma/death.
3. Infection -- possible blindness, if not treated properly.
Preventions:
1. Refrain from touching the electrode itself.
2. Inspect workplace for any possible flammable materials and remove them from the area.
3. Always wear proper welder's mask and have a coated safety goggles underneath.
