Related Clues:

• Width units
• CPR specialist
• Printing measures
• Type units
• Modem termini?
• Hwy. mishap respondent
• Fat letters
• Expert in 103-Across
• Lifesaver's initials, perhaps
• Type squares
• Ambulance abbr.
• Typesetter's units
• European spa
• Summertime trio?
• Paramedic org.