There are four sets of these color combinations in each cabinet. Forming of the filaments is accomplished when squeezing the liquid polymer through tiny holes called a spinerette. The shape of the holes in the spinerette will determine the final cross section and the shape of the finished yarn. Then as the liquid polymers fall it is cooled and it solidifies. All of these processes require absolute control of the temperature, viscosities, pump speeds, etc. This control is accomplished by individual computers, one for each of the extruder lines.

Finally, the yarn moves down to the ground floor and comes out of the bottom of the cooling shaft. The individual filaments are collected at this point and immediately lubricated so that they will tuft. Then the filaments will be stretched to orient the molecules giving the yarn strength. The actual stretching occurs on these rollers where the yarn will be elongated approximately three times the length at which it was extruded. The yarn is then stretched on the rollers and moved down into the bulking or crimping zone before being cooled.

The rotating wheels at the lower right of the machine are the actual cooling drums. The yarn passes over the top of the operators heads where the three colors are air entangled into black boxes.

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