For an aerial shell, rule of thumb is about 50-80 feet per shell inch.
Shell casing: Outer paper or plastic casing that encloses the explosive composition. Burst charge: Explosive material within the shell that propels it into the air and causes it to burst. Lift charge: Propellant at the base of the shell that launches it into the air. Fusing system: Mechanism that ignites the burst charge at the desired altitude.
The purpose of aerial advertising is to raise public awareness of a product or service . It is especially effective in places where large crowds gather, such as amusement parks, beaches, or sporting events.
For protection and a home.
The stars -or anything in the universe, for that matter- do not have a purpose. The concept of "purpose" is a man-made concept. The stars exist because gasses and other elements coagulated to form them.
The purpose of an aerial for TV use in a caravan is to provide the travelers entertainment via the television during their on-road and off-road travel. It is suggested that consumers research the aerial that will be the best fit in their caravan as many variables may effect the quality of the television signal.
The purpose of a snail carrying its body inside its shell is for protection and to regulate its body's moisture and temperature.
There are actually two types of aerial lifts. An articulated aerial lift is commonly used in either the consutruction, cable and wire, or telecommunications industries. The scissor lift is used for the purpose of stacking platforms.
To log into the system.
A snail retreats inside its shell for protection from predators and harsh environmental conditions.
A waterproof raincoat is a shell whose purpose is to block the rain.
The only ones that need to be fired 'out-of-something' are rockets (use a tube that the stick fits into) and aerial shells. Aerial shells need to fired from a mortar tube which is a card, plastic, fibreglass or metal tube that has the same inside diameter as the shell to be launched.