An escarpment (or scarp) is a type of cliff, formed by the movement of a geologic fault or a landslide. Most cliffs have some form of scree slope at their base. In arid areas or under high cliffs, they are generally exposed jumbles of fallen rock. In areas of higher moisture, a soil slope may obscure the talus.
Motorcycle Headlight Bulbs. H7 bulbs are one of the most popular sizes of headlight bulbs. H7 bulbs from *HeadlightBulbs.com* are high quality, high performance bulbs that are the perfect addition to your car.
Think of your ballast as a power source for your HID bulbs. You will need to choose a ballast that is made for the type of HID light you would like to get. For example, if you want to run a 600W HPS bulb, you'll need a 600W ballast that supports HPS bulbs.Ballasts generally come in a few standard sizes, 150W, 250W, 400W, 600W and 1000W.allast-MH/HPS grow light systems use bulbs with big bases that can't connect to a regular light bulb socket. Instead, they use a socket which requires a special ballast to start and maintain their arcs for power.