Recreation, Volum 56National Recreation Association, 1963 |
Des de l'interior del llibre
Resultats 1 - 3 de 59.
Pàgina 309
... pool access is located at the shallow end of the pool through baffled passageways from each dressing area . The pool has a minimum depth of three and a half feet and a maximum depth of ten feet . Two one - meter boards are provided with ...
... pool access is located at the shallow end of the pool through baffled passageways from each dressing area . The pool has a minimum depth of three and a half feet and a maximum depth of ten feet . Two one - meter boards are provided with ...
Pàgina 343
... pool is filled with water from two fill lines located under the diving boards at the deep end of the pool . These fill lines have a physical air break above the flood level of the pool completely protecting them from backflow or ...
... pool is filled with water from two fill lines located under the diving boards at the deep end of the pool . These fill lines have a physical air break above the flood level of the pool completely protecting them from backflow or ...
Pàgina 418
تو SWIMMING T POOL FILTERS The answer to public health hazards in your swimming pool миш whe مد w ( ) ) ) STAN HEDWALL ми THE " HEART " of any swimming pool , small or large , is its filtration system . Pools , like many human beings ...
تو SWIMMING T POOL FILTERS The answer to public health hazards in your swimming pool миш whe مد w ( ) ) ) STAN HEDWALL ми THE " HEART " of any swimming pool , small or large , is its filtration system . Pools , like many human beings ...
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activities administration agencies American areas assistant Association boys building camp club color Committee Company complete Congress cost Council County course cover crafts dance Department designed director District equipment experience facilities field four funds further give House hundred important individual interest issue June land leaders leisure living March material meet ment Michigan National Recreation Association natural needs October offer operation organization outdoor recreation Park participate persons physical planning play playground pool possible present Press problems professional reation serve skills social Society space staff Street summer swimming tion United University West write York youth