German: bar(ü)
Turns out there are two ways to measure pressure: absolute, or gauge. The gauge pressure is the pressure above atmospheric pressure, after all. Or the Überdruck. Sometimes this is translated barg (in contrast to bara, absolute bar), or sometimes converted to psig, but in all honestly neither of these is strictly correct even though they're in common usage. Instead, you should write out bar (gauge), according to the UK National Physical Laboratory.
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