Related Clues:

• Put at risk, adopting a system of measurement
• "Yes ___!" (Andes native's motto?)
• Like Inti worshipers
• Grand monkey enclosure erected housing ape finally
• Of an ancient civilisation
• South American once preserved?
• Ancient llama rider
• Preserved member of an ancient civilisation
• August: one month before April, unusually around end of June
• Weights and measures before the metric system
• Old American takes lid off empty container
• Pre-decimal measuring system
• Like ancient Peruvians
• Referring to British measures, air mile, pint at first changed ..
• Expose to danger about American weighing up system