The resin bath was made from a steel container with three rollers and one eye.
In the winding process, resin bath is attached to the carriage in order to simplify
the tension controlling mechanism. Resin bath was used to store the polyester or
epoxy resin mixture. The eye was used as a way to guide the fiber to the resin
bath besides smearing off excess resin from the wetted fibers after going through
rollers of the resin bath.