Tannins + Health = Good There is actually a study on the effects of wine and tea tannin and oxidation in the body. In the tests, wine tannin resists oxidation whereas tea tannin did not. In other words, it may be super good for you. You can read the synopsis here.
A jib crane is a type of crane where a horizontal member (jib or boom), supporting a moveable hoist, is fixed to a wall or to a floor-mounted pillar. Jib cranes are used in industrial premises and on military vehicles.ormally a crane with a hinged jib will tend to have its hook also move up and down as the jib moves (or luffs). A level luffing crane is a crane of this common design, but with an extra mechanism to keep the hook level when luffing.
What Is The Purpose Of A Jib Crane. One of the most versatile and all-purpose cranes used in wide range of applications is without doubt a jib crane. Although small in size when compared to tower or crawler crane, jib crane is extremely powerful piece of lifting equipment. For the most part, jib cranes are affixed to a wall or a pillar and feature a horizontal boom (also called a jib), movable chain hoist, drum, wire ropes or chains.