The caliper drag causes the calipers to brush up against the reel spool. A hand presses a lever that unravels a thin wire cord from a spool. The M4 electric firing wire on a green plastic spool is provided in each bandoleer. These valves make use of electromechanical solenoids for sliding of the spool. I-cord or the cord produced on a knitting spool. Integrated electronics close the position loop for the spool. They usually consist of a spool inside a cast iron or steel housing. The drum body is shaped on a spool and the inner body carved by hand. Her singing (unwound) like a spool of satin. It is then wound onto a spool to create the finished product. This was designed to press-fit snugly into either spool. The HP spool is similar to that of the BR710. According to Kodak, the narrower metal spool allowed building smaller cameras. This resulted in very large spool files and slow printing. Nor could they accelerate to high speeds with fast acceleration times ("spool up") without surge.