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.
Lithium batteries are batteries that have lithium as an anode. These types of batteries are also referred to as lithium-metal batteries. They stand apart from other batteries in their high charge density (long life) and high cost per unit.