21. A wiper generally consists of a metal arm , pivoting at one end and with a long rubber blade attached to the other. 22. The general outline is the same, but instead of metal arms there is the same number of bent pipes with conical bore. 23. A passenger car on the Spider ride crashed to the ground on July 14; a metal pin holding it to a metal arm broke. 24. In spite of the agonizing pain, he pulls the skin off his forearm and discovers a metal arm , which turns into a gun. 25. If a package is routed through Newark, for example, one metal arm kicks it down the chute where Newark-bound mail is collected. 26. A brace with a metal arm and spring comes off the side to help control the vibration of the camera that results from running with it. 27. A pole comes from the center of the artwork with a metal arm with triangular teeth placed in a row on the bottom part of it. 28. Pratt was nearly 700 cycles into its 3, 000-cycle test schedule when two of the engine's 70 small metal arms snapped off. 29. Instead, the operation was being performed by a robot, whose three metal arms protruded through pencil-size holes in the man's chest. 30. What : Action flick / potential pilot for a TV series based on a comic book about a crime-fighting dame with a magical metal arm .
