Assertion: oscilloscope's control | /r/HasProperty | rotationalmechanical alignment
Facets:
Source sentences:
text: Others had two complete electron guns, requiring tight control of axial (rotational) mechanical alignment in manufacturing the CRT.
text: Other dual-beam oscilloscopes had two complete electron guns, requiring tight control of axial (rotational) mechanical alignment in manufacturing the CRT.
text: Others had two complete electron guns, requiring tight control of axial (rotational) mechanical alignment in manufacturing the CRT.