A spark plug (sometimes, in British English, a sparking plug,[1] and, colloquially, a plug) is a device for delivering electric current from an ignition system to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air mixture by an electric spark, while containing combustion pressure within the engine.
Top 10 amazing movie makeup transformations. A concrete finisherâs main job is to smooth concrete as soon as itâs been poured to ensure that it dries evenly and to make sure that the project as a whole achieves consistent results when it comes to final texture, thickness, and density.
What Is a Concrete Floor Grinder? Concrete floor grinders are usually about the same size as a vacuum cleaner but they use horizontally rotating discs to level, smooth, or clean concrete surfaces. They work best at removing between 1/16 to 1/8 inches of surface material.