Match each item with the correct statement below.

A. Thin-walled copper piping is rarely used in the HVAC industry
B. Thick-walled copper piping is used for heavy-duty applications
C. Drain, waste, and vent piping is commonly used in the plumbing industry
D. Air conditioning and refrigeration piping is commonly used in the HVAC industry
E. Medium-walled copper piping is the most frequently used


A. Type M
B. Type K
C. Type DWV
D. ACR
E. Type L

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