How much smoke does it take to set off a smoke detector?
A good experiment is no accident. Wear goggles always. (They are cheaper than a new pair of eyes.)
Chevron is a V. Besides the military insignias the other fellow mentioned, you also see it as the rear tractor tire tread, rubber tracks on farm and construction equipment, rollers on hay conditioners, etc. Think of it like an arrow without the shaft.
sorry for good reasonsaccording to school policies. you havent created those school rules, you shouldn't break them
