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Print up free bingo cards. You supply the words and the random generator gives you 10 bingo cards. I just tried it for my ESL students.

Interesting things for ESL students is for students of English as a Second Language (ESL) or (EFL). included are quizzes, word games, word puzzles, proverbs, slang expressions, anagrams, a random-sentence generator and other CALL activities. This is a non-commercial for TESL teachers to use with their students.

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An air separation plant China is an industrial system for generating commercial oxygen using either cryogenic distillation method or vacuum pressure swing adsorption (VPSA) method. However, the former is used for producing oxygen on a large with high purity while the later is used for generating oxygen on a small scale with low purity.