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alteration or extension of air piping
Includes the following books which are allowed into the exam:
Preprinted Tabs Florida Mechanical Contractor
MD Home Improvement Commission 6th Edition
Advantages of Fiber-Optic Cabling
PSI North Carolina Plumbing, Class I Contractor under alteration or extension of airPSI North Carolina Plumbing, Class I Contractor Online Home Study Course include: 1 year or UNLIMITED access to the online courses (50% discounts on extensions) Access to an instructor via Phone call, Text message, Zoom, or email. How to take this course video How to register for the exam(s) How to operate the computer based testing video The 6 segments of test taking techniques List of required reference books for your exam and when they update