Recreation, Volum 56National Recreation Association, 1963 |
Des de l'interior del llibre
Resultats 1 - 3 de 72.
Pàgina 309
... pool access is located at the shal- low end of the pool through baffled pas- sageways 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 pro ...
... pool access is located at the shal- low end of the pool through baffled pas- sageways 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 pro ...
Pàgina 343
... pool , piping and equipment has a capacity of 150,000 gallons of water . The 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 ...
... pool , piping and equipment has a capacity of 150,000 gallons of water . The 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 ...
Pàgina 418
SWIMMING POOL FILTERS The answer to public health hazards سر in your swimming pool سر STAN HEDWALL TH HE “ HEART ” of any swimming pool , small or large , is its filtration system . Pools , like many human beings , have or may have ...
SWIMMING POOL FILTERS The answer to public health hazards سر in your swimming pool سر STAN HEDWALL TH HE “ HEART ” of any swimming pool , small or large , is its filtration system . Pools , like many human beings , have or may have ...
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