Spark, sparks

Sparks Spark discharges are most common between solid conductors, although one electrode may be a conduc tive liquid. They appear as a narrow, luminous channel, and cany a large peak current for a few microseconds or less. Sparks are the only form of discharge for which a maximum spark energy can be calculated, using the expression ... 

Schlag-versuch, m. impact test, percussion test, -wasser, n. bilge water, -welte, /. striking distance (of an electric spark), spark distance. -werk, n. striking appparatus, specif, rammer signal bell, -wetter, n. pi. fire damp. 

In general, flames, hot air, fire dust sparks, sparks or shock waves help the propagation of fire or explosion. Four of the former only promote the burning of the compositions by direct contact, but the latter causes a detonation, even when the composition is fairly distant from the source. However in toy fireworks the item which produces a shock wave is limited to crackers. It is necessary therefore to draw a clear line between crackers and other items when handling toy fireworks. 

Burner flames (improper use of torches, etc.) Combustion sparks (sparks and embers)... 

Pierce Farmers Market Downtown parking lot Pierce, NE b 402-329-6715 Seasonal - Friday Plattsmouth Farmers Market Nevada Hometown Farmers Market Downtown Sparks Sparks, NV b 702-353-2291 Seasonal - Thursday... 

Non-sparking," "spark reduced," "spark-resistant" or "spark-proof" materials are names given to objects made of soft metals such as brass, bronze. Monel metal (copper-nickel alloy), copper-aluminum alloys (aluminum bronze), or copper-beryllium alloys (beryllium bronze). 

Murray Beaver, Dear Spark, Spark 3, no. 1 (spring 1973) 2. 

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