Directions. 1. Wash and cut the vegetables. Blanch the asparagus spears in boiling water for 1 minute and then plunge into ice water to stop the cooking and keep them bright green and crisp. 2. Start by lining the edge of the serving tray using the red-leaf lettuce. Next layer the celery followed by the baby carrots.
Directional control valve. Directional control valves are one of the most fundamental parts in hydraulic machinery as well as pneumatic machinery. They allow fluid flow into different paths from one or more sources. They usually consist of a spool inside a cylinder which is mechanically or electrically controlled.
A directional boring unit in action. Directional boring, commonly called horizontal directional drilling or HDD, is a steerable trenchless method of installing underground pipe, conduit, or cable in a shallow arc along a prescribed bore path by using a surface-launched drilling rig, with minimal impact on the surrounding area.