Hardening of the arteries is a process that often occurs with aging. As you grow older, plaque buildup narrows your arteries and makes them stiffer. These changes make it harder for blood to flow through them. Clots may form in these narrowed arteries and block blood flow.
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.
1 The long horizontal jib (or working arm), which is the portion of the crane that carries the load. 2  A trolley runs along the jib to move the load in and out from the crane's center: 3  The shorter horizontal machinery arm, which contains the crane's motors and electronics as well as the large concrete counter weights :n top of the slewing unit are three parts: 1  The long horizontal jib (or working arm), which is the portion of the crane that carries the load. 2  The shorter horizontal machinery arm, which contains the crane's motors and electronics as well as the large concrete counter weights 3  : The operator's cab :