Types of Bikes Once youâve determined where youâll be riding your bike, how often youâll ride, whether you have any health concerns, and how much money you have to spend, itâs time to choose the type of bicycle that best fits your needs.
LPS circuits are those circuits powered by the output of a Limited Power Source. LPS circuits are connected to the load side of a fuse, circuit breaker, PTC, or regulating network. The circuits on the supply side are not powered by LPS, and must be provided with a fire enclosure.
Burning fuses[edit] 1  A slow match is a very slow-burning fuse consisting of a hemp or cotton rope saturated with an oxidizer such as potassium nitrate.  Today's punks (wood splints covered with ground plant pith or dung and then saturated with nitrate) used for lighting consumer fireworks are a type of slow match.