The furnace, on for 24/7, keeps the hot glass in working temperature (2020F). Loading the tank happens from the same opening as the glass comes out.
Touching the glass with metal tools cools it down. A glory hole is used to re-heat your molten glass as you work at the bench. Leaning the rod on the ball bearings in the yoke allows you to move your piece in and out of the glory hole easily.
A decorative lid covers a hole which allows a ceramist to peek into the kiln and check the cones. The annealer is one of the glass studio equipment converted from ceramic studio equipment.