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.
Deep Cycle Batteries. The type of battery fitted to a car or truck is designed to give a high current for starting the vehicle but this would normally only discharge the battery by a maximum of 10%. For a solar powered home, however, batteries designed for Deep Cycle use are required.