| 摘要 |
A spray head or spray head insert is provided for use in at least one of a shower head, an industrial spray head and an agricultural spray head including a plurality of groups of nozzles, each group of nozzles having at least two nozzles that are suitable for issuing jets of fluid from a surface of the spray head or spray head insert and are dimensioned and oriented, at least in use, so that fluid exiting the said at least two nozzles under pressure collides, interacts substantially unimpeded by surrounding structures and breaks into droplets.
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