Oils are powerful fuels, but the high price of refined petroleum, the oil generally preferred, precludes its widespread use for many purposes for which it is suitable. [Please select]
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-- Comparative Heating Value of different Fuels and Relative Efficiency. [Please select]
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In all ordinary fuels, carbon and hydrogen, in various combinations and free, make the principal part. [Please select]
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All the common fuels are composed principally of carbon and hydrogen. [Please select]
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Automatically controlled heat application to ensure complete vaporization of fuels. [Please select]
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Doctors tell us sugar is one of the fuels necessary to the human system; it generates both heat and energy. [Please select]
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In the Mississippi valley everything connected with metallurgy, from the fuels to the finished metal, will one day be closely dependent on it. [Please select]
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