I've got a spreadsheet that needs to be used by different individuals with
different levels of security clearance. Can "workspaces" be used to allow
users to view and edit only the columns they are priviledged to see? For
example, if I have the following 5 columns:

Name Address Cell Password Technique

The owner of the spreadsheet should be able to see all columns, worker #1
should only see and edit first three columns, and worker #2 should see
columns the first and last column. Can workspaces be used to accomplish this?