11. A control lever or joystick was used for the first time to allow for horizontal movement . 12. For very fast bow movements, the wrist is used to accomplish the horizontal movement of the bow. 13. Typically, single and dual-paddle keys use horizontal movements , while a straight-key utilizes an up and down movement. 14. The weak winds allow for considerable vertical mixing of the lower atmosphere with very little horizontal movement . 15. According to Muhammad Rais, a horizontal movement of information, however, will not replace the vertical information traffic. 16. Maneuvering is limited to horizontal movement . 17. Although confined to a laboratory apparatus, their ornithopter evolved behavior for maximum sustained lift force and horizontal movement . 18. Across the water float several rafts of lily pads, creating a horizontal movement across the vertical tree reflections. 19. It also has vertebrae with streptospondylous ( hourglass ) articulation, which thus allow for vertical and horizontal movements . 20. Vertical movement may be thousands of meters and horizontal movements of many kilometers occur along some fault zones.
