Trigger finger occurs due to inflammation of the tendons in the hand, causing hand tenderness, pain, and deformity. The condition limits your fingerâs movement and can make it impossible to straighten your finger.
1 A conical or volute spring (including the spring used to hold and make contact with the negative terminals of AA or AAA batteries in remote controls), and the vortex that is created when water is draining in a sink is often described as a spiral, or as a conic helix.
Industrial deep cycle batteries. Sometimes called fork lift, traction or stationary batteries, are used where power is needed over a longer period of time, and are. designed to be deep cycled, or discharged down as low as 20% of full charge (80% DOD, or Depth of Discharge).