The most general problem of today's environment is the presence of dust. The dust stability in air will lead to instability in human routine in the form of health disorders. The filtration of this kind of impurities from air is one of the best possib
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writing guidelines, aeu notes
Descripción: Technical Writing
I found this document on the net. A list of useful phrases to have next to you when doing extended writing tasks. the phrases are in Spanish and with the equivalence in English.Full description
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Write successfully, especial academic writing, creative writing, reports and emails. Gain knowledge and understanding from reading each chapter and completing the exercises. Use for English …Full description
Descripción: english exercise book for practising writing
