Plenty of exchanges also sound warnings about the danger of a fragmentation of liquidity that could damage the process of price formation.

ECONOMIST: America��s leading stock exchanges need modernisation

This could lead to tissue damage in the artery walls, creating the potential for inflammation and the formation of life-threatening clots.

BBC: Indians 'genetically prone to heart disease'

Preventing ice formation in the engine openings is important, as ice here could dislodge and cause damage as it's ingested into the engine.

CNN: Airplane deicing: The how and why