<span>The safety guideline for using bows that is unique to the crossbow is that both the rules for firearms and bows must be followed. Crossbows are much more dangerous than bows and just as dangerous as a firearm.</span>
A command economy typically has:
- The demand and the supply controlled by the government.
- Prices that are artificially controlled.
- Resource allocation is determined by macroeconomic considerations, as opposed to those of small firms or business owners.
The most famous example was that of the former Soviet Union.
Due to the external atmospheric pressure. Initially the pressure inside the can is balanced by the atmospheric pressure. But as the air is removed from inside, the external pressure dominates.