1. Some profile cutters use a cutting head reminiscent of a spindle router. 2. Some, more expensive, jointer models contain a spiral, or helical, cutting head . 3. A clogged bore creates back pressure on the cutting head , slowing production. 4. If the cutting head may be controlled, it is designated as the Z-axis. 5. Moving material lasers have a stationary cutting head and move the material under it. 6. Fifty-seven samples from different animals were collected with arrows equipped with small cutting heads . 7. By mid-August I'm cutting heads , but they don't have to be harvested all at once. 8. "Yeah, something like that, " said Hamdoon, " which is better than cutting heads ." 9. He designed a large and heavy moving coil cutting heads and feed-back circuits to this end. 10. Each 1 degree rotation of the controls produced a 0.0005 inch movement of the cutting head .