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.
Different Types of Concrete Finishes. By on March 31, 2014 in Concrete Designs. Some of the reasons concrete need a specified finish is to provide foot and vehicle grip for pathways and driveways. A smooth pathway when wet can be slippery and dangerous, almost like walking on tiles.