*K, thick walled, underground residential,
commercial and industrial uses.
**L, medium walled, residential and commercial uses
***M, thin walled, above ground residential and
light commercial uses.
****DWV, Drain/Waste/Vent, non-pressurized
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The successes we both have had in designing and building equipment to meet the special requirements of our customers has been very rewarding. I appreciate everything you have done to make this possible. The personal relationship we have developed has been very important and meaningful to me. I have very high regard for your analytical and problem solving ability in achieving an objective and creating solutions to problems.
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