#drill

• Antiflocculant — Preventing, blocking, or delaying the flocculation process (the aggregation of fine particles suspended in a liquid into gelatinous flakes); a chemical dispersing agent used to maintain the homogeneous stability of colloidal suspensions. Antiflocculant agents increase electrostatic repulsion to prevent premature sedimentation.
• Workout — A systematic and methodical process of physical, technical, tactical, and mental preparation of an organism, executed through repeated and guided exercises, aimed at developing skills, increasing endurance, and achieving optimal performance in an athletic discipline or professional activity. In a broad sense, the term denotes any form of constant practice of a cognitive or motor function in order to perfect it.
• Bow drill — A traditional rudimentary tool or archaic mechanical device consisting of a small wooden bow with a cord, used to impart a rapid alternating rotational movement to a drill, a manual lathe, or a spindle. In a historical sense, the term describes the essential instrument used by craftsmen, jewelers, or tanners to pierce hard materials or to ignite fire through friction.
• Auger — A proper noun of French origin, famous in science due to physicist Pierre Victor Auger (1899-1993), discoverer of the Auger effect (radiationless electron emission). In engineering and technical terms derived from English, it also designates a large drill, boring tool, or screw conveyor used for drilling holes or moving granular materials.