Technician a says that a regulator is the proper choice if it can be threaded onto the
cylinde...
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Engineering, 04.02.2020 05:43, rosemarybooker
Technician a says that a regulator is the proper choice if it can be threaded onto the
cylinder.
technician b says that oxygen fittings have left-hand threads.
who is right?
a only
bonly
both a and b
neither a nor b
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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