Good day future Registered Master Plumber, may this video help you in order to get that purple license.

OTHER MASTER PLUMBER REVIEW VIDEOS:
PLUMBING CODE
PART 1:
   • CHAPTER 1 REVISED NATIONAL PLUMBING C...  
PART 2:
   • CHAPTER 3-4 REVISED NATIONAL PLUMBING...  
PART 3:
   • CHAPTER 5-6 REVISED NATIONAL PLUMBING...  
PART 4:
   • CHAPTER 7-8 REVISED NATIONAL PLUMBING...  

PLUMBING ARITHMETIC
PART1
   • ARITHMETIC PROGRESSION  


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