What is the number near Mako's shield/hull indicator

What is the number near Mako's shield/hull indicator - Motorcycle Speedometer at 0

The question is straight forward. Is there for any use, like repair points or something?

And how do I use it?

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mass-effect

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What is the number near Mako's shield/hull indicator - Modern control and measuring devices with arrows indicating numbers and letters on scales in automobile on black background

What is the number near Mako's shield/hull indicator - Dashboard with control and measuring devices in automobile

What is the number near Mako's shield/hull indicator - Closeup of tachometer near speedometer and oil pressure gauge on colorful dashboard in modern car

RPBA Test Using the MAKO MK2 2-Valve Test Gauge

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Images: Mike B, Erik Mclean, Erik Mclean, Erik Mclean