Electric drills and rotary hammer drills are versatile tools that are using in many different building projects. Understanding their operations and safety requirements is important to ensure proper drilling.

Originally released by Smith Productions, 2014. Streaming video file encoded with permission for digital streaming by Infobase on March 28, 2019.

Preparation (4:42); --Operation (4:47); -- Closure (2:23); -- Rotary Hammer Drill (2:04); -- Safety (1:27); -- Set-Up (3:17); -- Application and Operation (5:37); -- Masonry Blocks (2:39); -- Concrete - Attach Paint Locker (2:29); -- Steel and Plastic (1:35); -- Combination Hammer and Breaker (5:29); -- Credits: Electric Drills (0:07); .