Related Clues:

• Blueprint details
• View finders?
• Builder's plans, informally
• Blueprint data
• Concrete proposals?
• Writer's guidelines
• You can see right through them
• Builder's guidelines
• Eyeglasses, informally
• Eyeglasses
• Technical data
• Builder's guide
• X-ray ___ (kids' goggles)
• Construction particulars, briefly
• They may hang by the neck