Straight gear teeth are:
Athose where the teeth axis isparallel to the shaft axis
Bthose where the teeth axis is perpendicular to the shaft axis.
Cthose where the teeth axis is either perpendicular or parallel to the shaft axis.
DAll the above.
Athose where the teeth axis isparallel to the shaft axis
Bthose where the teeth axis is perpendicular to the shaft axis.
Cthose where the teeth axis is either perpendicular or parallel to the shaft axis.
DAll the above.
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