Pre-ignition Pre-ignition Pre-ignition (or preignition) in a spark-ignition engine is a technically different phenomenon from engine knocking, and describes the event wherein the air/fuel mixture in the cylinder ignites before the spark plug fires. Pre-ignition is initiated by an ignition source other than the spark, such as hot spots in the combustion chamber, a spark plug that runs too hot for the application, or carbonaceous deposits in the combustion chamber heated to incandescence by previous engine combustion events. The phenomenon is also referred to as 'after-run', or 'run-on' or sometimes dieseling, when it causes the engine to carry on running after
Archaic globalization to emerge and allowed a new aspect to present-day society. Globalization is the process of increasing interconnectedness between regions and individuals. Steps toward globalization include economic, political, technological, social, and cultural connections around the world. The term "archaic" can be described as early ideals and functions that were once historically apparent in society but may have disintegrated over time. There are three main prerequisites for globalization to occur. The first is the idea of Eastern Origins, which shows how Western states have adapted and implemented learned principles from the East. Without the traditional ideas from the East, Western globalization would