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Ammonia Refrigeration IllustratedThe book, plus Ammonia Operator Practice Questions and 15 Common Engine-Room Mistakes, Before & After free.US$ 27
Ammonia Operator Practice QuestionsFREE
15 Common Engine-Room Mistakes, Before & AfterFREE

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Order summary ˅US$ 27
Ammonia Refrigeration Illustrated
US$ 63US$ 27
Ammonia Operator Practice QuestionsBonus
Included
15 Common Engine-Room Mistakes, Before & AfterBonus
Included
TotalUS$ 27