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EXCELLENT HOMEWORK HELP AND TUTORING ,ALL KIND OF QUIZ AND EXAMS WITH GUARANTEE OF A EXCELLENT HOMEWORK HELP AND TUTORING ,ALL KIND OF QUIZ AND EXAMS WITH GUARANTEE OF A Am an expert on major courses especially; psychology,Nursing, Human resource Manageme

EXCELLENT HOMEWORK HELP AND TUTORING ,ALL KIND OF QUIZ AND EXAMS WITH GUARANTEE OF A
EXCELLENT HOMEWORK HELP AND TUTORING ,ALL KIND OF QUIZ AND EXAMS WITH GUARANTEE OF A
Am an expert on major courses especially; psychology,Nursing, Human resource Management and Mathemtics Assisting students with quality work is my first priority. I ensure scholarly standards in my documents and that's why i'm one of the BEST GOLD RATED TUTORS in STUVIA. I assure a GOOD GRADE if you will use my work.

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HVAC: EPA 608 Certification Study Guide Questions With Verified Solutions| ALREADY PASSED. UPDATED

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HVAC: EPA 608 Certification Study Guide Questions With Verified Solutions| ALREADY PASSED. UPDATED Are there drop-in replacements for R-12 systems? Why or why not? - ANSWER No because the new refrigerants are incompatible with the oils and lubricants used in R-12 systems. What type of oil is used in R-134a and what oils will it mix with? - ANSWER Ester based oils and they do not mix with other oils What type of lubricant is used with HCFCs? - ANSWER Alkylbenzene lubricant Wh...

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