Shear legs to the gin pole, derrick and tripod (lifting device). Shears are an A-frame of any kind of material such as timbers or metal, the feet resting on or in the ground or on a solid surface which will not let them move and the top held in place with guy-wires or guy ropes simply called "guys". Shear legs only need two guys whereas a gin pole needs at least three. The U. S. Army Field Manual FM 5-125 gives detailed instruction on how to rig shears. Fixed shear legs are most commonly found on floating cranes known as floating sheerlegs.
Common starfish produced a series of convulsions. In January 2013, large numbers of common starfish were washed up near Cleethorpes Pier on the east coast of England along with many razor shells. There were estimated to be four thousand starfish along the stretch of shore. The cause of this mass stranding was unknown but bad weather and storms out at sea coupled with higher than usual tides may have been to blame. During Storm Frank in the early hours of 31 December 2015 hundreds of starfish were stranded along the coast of Portsmouth, Hampshire. This is not a unique phenomenon and other