There are a number of technical tools that can be used to ascertain trends, such as Donchian channels, the Williams %R oscillator and Moving Average Convergence-Divergence, often referred to simply as MACD.

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Williams agrees that advertisers should approach the "R-word" (recession) with extreme caution.

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The GT3 R Hybrid's flywheel device was built by Formula 1 constructor Williams as part of F1's pursuit of Kinetic Energy Storage Systems (KERS), which began in 2009.

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Pwysleisiodd Ms Williams fod "angen gwneud mwy" i hybu'r economi.

BBC: Dadl y Ceidwadwyr

Cyhuddodd Kirsty Williams AC, arweinydd y Democratiaid Rhyddfrydol, y Gweinidog Iechyd Edwina Hart AC o beidio cyhoeddi'r adroddiad yn ystod sesiwn lawn ar 21 Medi 2010.

BBC: Dadl y Democratiaid Rhyddfrydol Cymreig ar GIG Cymru