Peaceblinkfriend Posted 18 years ago
Grammar
"... any traces of oxygen that remain thus producing a better vacuum."
Calcium is also used in electronic vacuum tubes because it combines with any traces of oxygen that remain thus producing a better vacuum.
Should it be 'remains' instead?
Thanks
PBF
Should it be 'remains' instead?
Thanks
PBF
Top answer
Peaceblinkfriend Calcium is also used in electronic vacuum tubes because it combines with any traces of oxygen that remain thus producing a better vacuum. Should it be 'remains' instead? PBF remain because it refers to traces.
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PeaceblinkfriendCalcium is also used in electronic vacuum tubes because it combines with any traces of oxygen that remain thus producing a better vacuum.remain because it refers to traces.
Should it be 'remains' instead?
PBF
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