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CSLB C20 Trade Tougher Questions & 100% Verified Answers | Latest Update | Already Graded A+
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Duct systems should be installed according to ____ Standards : SMACNA The type of flue pipe used on gas 80% standard furnace venting systems serving gas fired systems : Type B-Vent Which type of gauge would you use for very high vacuums? : McLeod type gauge How many BTUs are equal to one ki...
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