The Naval Research Agency awarded a $600,000 software upgrade contract to Maine Shipbuilding Composites, Inc., which is used to predict the wave slamming force of a special combat patrol boat. The current Mark V aluminum patrol boat can reach 60 mph (about 96 km/h) at full speed, and the resulting vibrations can easily cause the SEAL commando to collide, scratch and sprain ankles.
A composite patrol boat constructed by the Maine contractor can effectively reduce the wave slap force. The software upgrade will help ship designers better predict the vibration characteristics of a large number of ships.
A salt lick is a deposit of mineral salts used by animals to supplement their nutrition, ensuring that they get enough minerals in their diets. A wide assortment of animals, primarily herbivores, use salt licks to get essential nutrients like calcium, magnesium, sodium, and zinc. When a saltlick appears, animals may travel to reach it, so the salt lick becomes a sort of rally point where lots of wildlife can be observed.
Farmers have historically provided salt licks for their cattle, horses, and other herbivores to encourage healthy growth and development. Typically a salt lick in the form of a block is used in these circumstances, and the block may be mounted on a platform so that domesticated animals do not consume dirt from the ground along with the necessary salt. Salt blocks for farm animals can also be treated with medications, which may be convenient when someone needs to medicate shy animals, or a large group of animals.
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