Related Clues:

• Agency employee
• Crunch time call-in
• Interim office worker (Abbr.)
• Intern, perhaps
• They may be clear or threatening
• It may be measured in F. or C.
• Work short-term
• Worker over the Christmas vacation, perhaps
• 'Friendly' things, in old ads
• Short-term worker, in short
• The way to give 22 across a start, but but not for keeps, in short
• Seasonal worker, say
• Fill-in at work
• In short, the coldness of someone in the office
• Seasonal help