Multimeter
A handy VOM (Multimeter) for testing and electronics work

This is a HCNG combination mixer that will meter gaseous gas "vapor" to any Internal combustion engine in FRONT of the Throttle / Throttle Body. CARB - the California Air Resources Board calls these "vapor" systems - and the 14 states that follow CARB allow these "vapor" systems by Executive Order (a.k.a. "E.O."), and not one single one has been denied we know of yet - but the truth is CA Vehicle Code 27156(c) from where CARB draws its power and charter reads:
It ain't rocket science but there is more to it than you think
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