Duracell is a brand of batteries manufactured by Procter & Gamble. Duracell manufactures alkaline batteries in many common sizes, such as AAA, AA, C, D, and 9V. Lesser used sizes such as AAAA (primarily for pagers, penlights, and blood glucose meters) and J size batteries (for hospital devices) are also manufactured along with a range of "button" batteries using zinc-air, silver-oxide and lithium chemistries, used in calculators, watches, hearing aids, and other small (mostly medical related) devices. Duracell entered into a brand licensing agreement with flash memory manufacturer Dane-Elec in 2008 for a line of products including memory cards, hard drives and USB flash drives with the Duracell brand mark and in the brand's trademark "copper top" coloring.
Williams Grand Prix Engineering Limited (FWB: WGF1), trading as Williams F1, is a British Formula One motor racing team and constructor. It was founded and run by former team owner Sir Frank Williams and automotive engineer Patrick Head. The team was formed in 1977 after Frank Williams' two earlier and, compared with Williams F1's achievements, unsuccessful F1 operations: Frank Williams Racing Cars (1969 to 1975) and Walter Wolf Racing (1976). All of Williams F1 chassis are called "FW" then a number, the FW being the initials of team owner, Frank Williams.