Do Chemistry labs in high schools still have free flowing gas? We would flip the handle on the gas and then light it to see how far we could shoot flames. We'd also see how hot you could make beakers and such before they shattered. With enough pressing the chem teachers would show us things like how to make contact explosives.
You used to be able to wander through construction sites without anyone batting an eye. Friends and I used to play "war" at nights in the middle of a community center that was in mid construction. I remember being with my parents as we went through new subdivisions. If they saw an interesting house under construction they would stop and wander through it.
Also anyone mention seat belts yet or bike/ski helmets?
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