Technology by Letter: O

Answer these questions from the world of tech. The answers all start with O.

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Last updated: September 13, 2018

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First submitted	September 13, 2018
Times taken	14
Average score	42.9%
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Hint	Answer
Relationship between Volt and Ampere	Ohm's law
Printing technique	Offset printing
Hot chamber, e.g. for cooking	Oven
Viscous organic fluid, lubricant	Oil
Atmospheric result of using CFCs as refrigerant	Ozone hole
Tells you how far your car has travelled	Odometer
Tool to look into ears	Otoscope
Courtship on the internet	Online dating
Laser tool to put molecules in the right place	Optical tweezers
A Mars rover	Opportunity
Makes electrical signals visible	Oscilloscope
Display technology based e.g. on polymers	Organic Light-emitting diodes (OLED)
Wooden board to propel a boat	Oar
Underwater petroleum extraction	Offshore drilling

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