Before revision: upright=1.3|Soft copper tubing in a close quarters tubing cutter Copper tubing is most often used for heating systems available in two basic types of tube—plumbing tube and air conditioning/refrigeration (ACR) tube, and in both drawn (hard) and annealed (soft) tempers.
After revision: upright=1.3|Soft copper tubing in a close quarters tubing cutter Copper tubing is available in two basic types of tube—plumbing tube and air conditioning/refrigeration (ACR) tube, and in both drawn (hard) and annealed (soft) tempers.