ARTICLES

Tiny shards of spark plug porcelain have small hard points which allow them to easily find a breaking point in glass. They can also be used to break the side window of vehicles. Spark plug porcelain fragments are sometim...

www.reference.com/world-view/spark-plug-porcelain-break-glass-1cef09016e3d3e5e

In order to break a car window's tempered glass, the porcelain insulator inside of a spark plug can be used. Unglazed porcelain is rated 7 on the Mohs scale of mineral harness, while glass is rated 5.5.

www.reference.com/article/break-window-spark-plug-bf6745278a448dab

In order to break a car window's tempered glass, the porcelain insulator inside of a spark plug can be used. Unglazed porcelain is rated 7 on the Mohs scale of mineral harness, while glass is rated 5.5.

www.reference.com/article/break-window-spark-plug-bf6745278a448dab

SIMILAR ARTICLES

In order to test the spark, pull the spark plug from the engine, and then start the car. There should be a bright blue spark between the electrodes every time the cylinder fires, provided that there is enough voltage rea...

www.reference.com/world-view/way-test-12-volt-ignition-coil-a238cf3eea47ea10

Parts and tools needed for a car's tune-up include spark plugs, a fuel filter, a socket wrench, a spark plug socket, a spark plug gapping tool, the service manual, screwdrivers, crescent wrenches, a distributor cap, spar...

www.reference.com/world-view/parts-needed-tune-up-3b4c52f753a98590

An automobile tune-up consists of a check of a vehicle's fuel filter, air filter, spark plugs, spark plug wires and battery. The PCV valve, belts, lights and tires are also checked. An oil change is performed and the car...

www.reference.com/world-view/automobile-tune-up-consist-bd0dd9a80fed3fab

The top reason ignition coils fail is bad spark plugs or plug wires. Another potential cause is heat and vibration, which can damage the ignition coil's windings and insulation. If an engine is experiencing repeated coil...

www.reference.com/world-view/causes-ignition-coils-bad-9b219ffc1259048a