Check the efficiency.
OR
Check efficiency.
For example, if it refers to a foot brake.
Neither one gets you there, I'd say, but they are both grammatical enough. I would suggest a better way of saying it, but I can't imagine what efficiency would be in a foot brake, grams of foot pressure per newton-meter?
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Neither one gets you there, I'd say, but they are both grammatical enough. I would suggest a better way of saying it, but I can't imagine what efficiency would be in a foot brake, grams of foot pressure per newton-meter?