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SAT, 18.07.2019 01:20, emma042902

  technician a says a refrigerant identifier is only needed when the technician is unsure of the refrigerant used in an ac system. technician b says that some refrigerant identifiers can measure the amount of moisture in the refrigerant system to aid in diagnosis. who is  correct?  
a.  technician a   
b.  technician b   
c.  both technicians a and b   
d.  neither technicians a nor b

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SAT, 21.06.2019 20:30, Andrebutrus
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