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.
Close-up: Magnesium float. A float compacts the concrete surface, giving it a smooth look. Putting a smooth, durable finish on concrete is a skill you can only master with the proper set of tools and practice. Weâll show you the tools and how to use them for each step of the process.ut keep in mind that finishing larger slabs (more than about 100 sq. ft.) is trickier because the concrete may set up too fast. In this article, weâll show you how to level the concrete in the forms, round over the edges and make a progressively smoother finish.