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You can quickly add any paper to your favourite. Cool!Business Communication
Summaries, Notes for secondary school5
Exercise 2 Underline the correct word in the brackets. 1 I’m afraid I can’t help you (by / with / at) that. 2 Just hold (in / off / on) a moment. 3 Could I send you the report ( ...
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Phosphoric Fuel Cell
Summaries, Notes for secondary school5
Resume Phosphoric acid fuel cells use liquid phosphoric acid as an electrolyte—the acid is contained in a Teflon-bonded silicon carbide matrix—and porous carbon electrodes ...
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