High brass is used to provide more support for a larger charge (of gunpowder, or larger payload), and low brass is for lower energy shotshells.
Yes, there are as well as people who collect other types of cartridges. Both the loaded type of shotgun ammunition and the empty 'hull' of a shotgun shell. If it exists, there is probably someone who collects it.
Brass instruments, like most instruments, can be used for almost anything! They are most commonly used for bands and orchestras though. Trumpets and bugles, both types of brass instruments, also have a long histories of use in the military. Today, brass instruments are often taught in school bands, and can be used to teach the foundations of music!
Both brass and copper are conductors.
You cannot re-size 380 brass with a 9mm sizing die, nor can you size 9mm brass with a 380 die. You can use the the bullet seating dies back and forth. But you'll need to get sizing dies in both 380 and 9mm. The shell holder and primers are the same for both.
The trumpet and trombone both belong to the brass family.
Both these alloys contain the common metal,copper
they are both the same meaning
Copper is the main ingredient of both bronze and brass. Bronze is composed of copper and tin, while brass is composed of copper and zinc.
Brass will conduct both electricity and heat. So brass is a conductor, but not an insulator.
Brass, an alloy of copper and zinc, is like salt water in that both are mixtures. Salt water is a mixture of water and salt molecules, while brass is a mixture of copper and zinc atoms. Both brass and salt water exhibit unique properties due to their mixture compositions.
both
Neither have square bases, both have circular bases.