Lances construction

Leaks in various Periodic replacement of components system compo-. pressure test all lines nents, hoses, valves swivel insure proper materials of construction joints in arm, lance, etc. CCPS G-3 CCPS G-22 CCPS G-29... 

Always a popular firework, Catherine wheels with diameters of up to 50 cm are readily available. Other wheels are more complicated in construction and combine the effects of gerbs, saxons, fountains, lances and rockets in ways that are always attractive to the eye, as well as being dramatic (Figure 9.2). 

Lances are paper tubes, generally thin and of light construction, say, to % inch in diameter and 2 to inches long, filled with colored fire composition, loaded by tamping, not by ramming, and are used in set pieces, attached to wooden frameworks, to outline the figure of a temple or palace, to represent a... 

Fig. 2 The improved pneumatic lance is constructed from concentric tubes. Low-speed aeration from both tubes allows the lance to be inserted with minimum disturbance to the powder supply. Once the sampling location is reached, a high-speed flow is applied to the central tube to capture a sample below the filter or frit. (A) Construction of the pneumatic sampler (B) process used to obtain a sample from a bulk of powder.

Top-submerged lancing (TSL) - slag bath reactor operating principles and construction... 

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