In the following sentence, choose the option which has an error.
It should be mentioned that an essential feature of the traveling wire micrometer is that the eyepiece, as well as the wire, shall be move by the micrometer-screw.
1
It should be mentioned that an
2
wire micrometer is that the eyepiece
3
essential feature of the traveling
4
as well as the wire,
5
shall be move by the micrometer-screw.