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Página 102
About half solar energy is light , half heat , " he said . " Let's start now on large - scale ex- perimentation plants using the heat of the sun for heating , cooling , dis- tillation , and for solar - heat engines .
About half solar energy is light , half heat , " he said . " Let's start now on large - scale ex- perimentation plants using the heat of the sun for heating , cooling , dis- tillation , and for solar - heat engines .
Página 226
Since the GSA experts discov- ered that only half the space in the 32 - page passports was ordinarily used , Miss Knight had the booklet cut to 20 pages , saving $ 48,000 a year . And because another study indicated that only one out of ...
Since the GSA experts discov- ered that only half the space in the 32 - page passports was ordinarily used , Miss Knight had the booklet cut to 20 pages , saving $ 48,000 a year . And because another study indicated that only one out of ...
Página 234
Then the doting mother takes over and pro- vides a warmed and predigested fluid regurgitated from her crop . The flamingo has a strange way of eating . Unlike most birds , the top half of its beak is hinged . When it eats , it turns its ...
Then the doting mother takes over and pro- vides a warmed and predigested fluid regurgitated from her crop . The flamingo has a strange way of eating . Unlike most birds , the top half of its beak is hinged . When it eats , it turns its ...
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Contenido
Allen Rankin | 39 |
Scientific American | 45 |
Corruption the Committeeand Senator McClellan | 85 |
Derechos de autor | |
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