In a third-class lever, the input force is applied between the fulcrum and the load, and both move in the same direction. The amount of applied force is always greater than the output force of the load, but the load is moved a greater distance than that over which the input force is applied.
Broadcasts are generally used for several reasons: Address Resolution Protocol (ARP) uses broadcasts to map physical addresses to logical addresses. To build the table of hosts, a device needs to send a broadcast to every other device on the network to essentially find out who is where.
The broadcasting industry is composed of an extremely wide range of occupations, from management to production and technical work. However, sports broadcasting is generally associated with reporting, commentary and analysis, often in an on-air or writing role.