This field is optional.
Yes. Enter each technique in the same field, separated by a semicolon and a space.
|Definition||The production or manufacturing processes, techniques, and methods incorporated in the fabrication or alteration of the work or image (from VRA Core 4.0).|
General recommendation is to use Getty Art & Architecture Thesaurus (AAT), although some collections may have another appropriate vocabulary source.
X1 – Woodcut