| http://www.w3.org/ns/prov#value | - FIGS. 82???96 illustrate an alternate embodiment 164 of my sprinkler which is similar to the sprinkler 10 of FIGS. 1???81 except that the sprinkler 164 has a scrubber 166 (FIG. 82) that scrapes and cleans dirt, algae and other debris off of a bi-level screen or strainer 168 each time the inner riser 170 vertically extends and retracts.
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