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2. Spark extinguishing system - Wikipedia

   en.wikipedia.org/wiki/Spark_Extinguishing_System

   Spark detectors and extinguishing device must be arranged in a certain distance to ensure that the detected ignition source can be extinguished reliably. This distance is called quenched spark gap and is calculated based on the transport speed of the material and the system-related delay time.

3. Spark gap - Wikipedia

   en.wikipedia.org/wiki/Spark_gap

   A spark plug.The spark gap is at the bottom. A spark plug uses a spark gap to initiate combustion.The heat of the ionization trail, but more importantly, UV radiation and hot free electrons (both cause the formation of reactive free radicals) [citation needed] ignite a fuel-air mixture inside an internal combustion engine, or a burner in a furnace, oven, or stove.

4. Detonator crimping pliers - Wikipedia

   en.wikipedia.org/wiki/Detonator_crimping_pliers

   Detonator crimping pliers, cap crimping pliers or detonator crimping tool is a common tool when working with explosives. The construction is very similar to the construction of any other multi-tool or pliers. The specific feature is the presence of one groove on each of the opposing jaws.

5. Ignition timing - Wikipedia

   en.wikipedia.org/wiki/Ignition_timing

   Pressure in cylinder pattern in dependence on ignition timing: (a) - misfire, (b) too soon, (c) optimal, (d) too late. In a spark ignition internal combustion engine, ignition timing is the timing, relative to the current piston position and crankshaft angle, of the release of a spark in the combustion chamber near the end of the compression stroke.

6. Locking pliers - Wikipedia

   en.wikipedia.org/wiki/Locking_pliers

   The first locking pliers, with the trade name Vise-Grip, were invented by William S. Petersen in De Witt, Nebraska, United States in 1924. [1] [2] Later, in 1955, in the United Kingdom, M K Mole and Son, a hand tool manufacturing company, under the managing direction of Thomas Coughtrie, began making nearly identical pliers.

7. Needle-nose pliers - Wikipedia

   en.wikipedia.org/wiki/Needle-nose_pliers

   Needle-nose pliers, also known as long-nose pliers and snipe-nose pliers, are both cutting and holding pliers used by artisans, jewellery designers, electricians, network engineers and other tradesmen to bend, re-position and snip wire. Their namesake long nose gives excellent control while the cutting edge near the pliers' joint provides "one ...