By using their safety gear.
no
Washington DC
soot or ashes
Because you could get burned and fire hurts
enter yes and no data
pupil
Yes. If a coil is bad causing one or more cylinders to not fire, this allows raw unburned fuel to enter the catalytic converter, where it is burned. This can ruin a converter.
Particles of carbon that enter the air when wood or coal are burned are called soot or particulate matter. These particles can contribute to air pollution and have negative health effects when inhaled.
Yes, a naturalization certificate allows you to enter the US as a citizen.
Cornea
cell membrane