<span>What injuries do mostly occurs most in fireworks accidents?
</span><span>most often: burn
less often: electrocution,hearing loss,concussion</span>
Both perform the same function, they are driven by the crankshaft and drive the camshafts which control the valves and, thus, the engine's timing<span>. A </span>timing belt<span> will require replacement much sooner than a </span>timing chain<span>. ... </span>Timing chains<span> last a very long time, generally the life of the vehicle</span>
1) Eight
2)Dynamic
3)Aerobic warm-up & aerobic cool-down