Testing for strings, so that the import is guaranteed not to import trash into the fields.
Testing for strings, so that the import is guaranteed not to import trash into the fields.

sabcio/stizun,sabcio/stizun,lincompch/stizun,sabcio/stizun,sabcio/stizun,lincompch/stizun,lincompch/stizun,lincompch/stizun,lincompch/stizun