Recreation, Volum 56National Recreation Association, 1963 |
Des de l'interior del llibre
Resultats 1 - 3 de 71.
Pàgina 410
... pool . " The plant paid for having the pool painted ; it would have cost too much for the club to have had it done , " points out Don Lashmet . The plant also pays for the water used to operate the pool , since this is the biggest ...
... pool . " The plant paid for having the pool painted ; it would have cost too much for the club to have had it done , " points out Don Lashmet . The plant also pays for the water used to operate the pool , since this is the biggest ...
Pàgina 418
SWIMMING POOL FILTERS The answer to public health hazards in your swimming pool STAN HED WALL THE HE " HEART " of any swimming pool , small or large . its filtration system . Pools , like many human beings . have or may have " heart ...
SWIMMING POOL FILTERS The answer to public health hazards in your swimming pool STAN HED WALL THE HE " HEART " of any swimming pool , small or large . its filtration system . Pools , like many human beings . have or may have " heart ...
Pàgina 420
... pool vol- ume through the filters in not more than three hours for public pools and not more than twelve hours for ... pool has two or more filters . W HAT is meant by " pool turnover " ? Every time an amount of water equal to the ...
... pool vol- ume through the filters in not more than three hours for public pools and not more than twelve hours for ... pool has two or more filters . W HAT is meant by " pool turnover " ? Every time an amount of water equal to the ...
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