The distributor in turn doubles its price in selling to the retailer, who doubles the price once again to the consumer.
Its current holder, Romano Prodi (who doubles up as Italy's main opposition leader), has largely disappointed, however.
Zaher proved a wise substitution by Mohamed Abdallah, who doubles as national coach, scoring just three minutes after replacing veteran striker Haytham Tambal at Gwanzura Stadium.
In a television address, Commodore Bainimarama, who doubles as prime minister, responded by condemning the Tongan navy's role in extracting Mr Mara from Fiji's territorial waters.
Anyone who doubles-down on what everyone knows (or will soon find out to be) ill-informed, offensive or untenable positions, is either a fool or believes everyone else is.
His ride is a Nissan Leaf, which he bought in Los Angeles from super-salesman Paul Scott (who doubles as vice president of t he Plug In America advocacy group).
Bolivia's president, Evo Morales, who doubles as the leader of the coca-growers' union, insists that he is opposed to cocaine, though not to coca (which is traditionally chewed by Andean Indians).
Supachai, who doubles as one of six deputy PMs, called for an expansionary policy that would involve the government buying up 10% of non-performing loans and boosting exports by weakening the baht - which doesn't wash with Tarrin.
And producer Jonathan Sumberg, who also doubles up as a cameraman, had with him a Sony EX1 - a smaller broadcast-quality camera - and two GoPros.
Fourth seed Murray, who lost in the doubles playing with brother Jamie on Monday, will next face Marin Cilic.
The seventh seed was never ahead in sets until he wrapped it up to win 4-3, and really should have been sent packing by the Lancastrian, who missed many crucial doubles.
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George Morgan, who reached the boys' doubles final at Wimbledon, also lost to Slovakia's Filip Horansky.
Richmond duo Richard Hendron and James King, who had won the senior doubles race for the past three years, came in second.
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But the retirement of Rusedski, who partnered Murray in the doubles, leaves a gap and Lloyd has called on the younger players to take advantage.
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Nadal, who had already played two doubles matches this week, said he was happy to be back on the court after spending two months on the sidelines with tendonitis in both knees.
The 27-year-old will play eighth-seeded compatriot Carlos Berlocq, the world No. 81 who lost to Nadal's doubles partner Juan Monaco in last year's final at Vina del Mar.
Draper, who won the Australian Open mixed doubles title last weekend in between making his professional golf debut at the Victorian Open, could only manage a level-par 72 in qualifying.
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Ammerlaan and Kunieda, who won the men's doubles at the Australian Open in Melbourne earlier this year, took control in the decider and it wasn't long before they wrapped up victory.
Williams, who already has two golds in doubles in 2000 and 2008 was asked earlier this week if she felt she was missing something by not having reached the top of the podium in Olympic singles.
Having a gun in your home at least doubles the risk of suicide for all who live there.
"His serve was very good, " said Nadal, who withdrew from the men's doubles alongside Marc Lopez because of a hamstring strain in his right leg.
The rainout cooled off Robinson Cano, who went 7 for 10 with three doubles, three homers and seven RBIs in the first two games of the series.
Among other sports stars, he said in an interview that he had worked with Sara Errani, an Italian tennis player who on June 8 won the women's doubles title at the French Open and a day later played in the women's single final only to lose to Maria Sharapova.
There are women's doubles players among the top 10 pairs in the world who are still competing beyond the age of 30.
"Another gold medal would be amazing, " said the 32-year-old, who won the singles title in 2000 along with the doubles, which she and Serena won again in 2008.
England's Mike Tredgett and Nora Perry, who were the last pair to successfully defend their mixed doubles title 25 years ago, will be among the sell-out crowd for Sunday's final.
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The young British writer and director Christopher Nolan, who has every intention of putting us through the mill, doubles his fun by running the whole story backward.
By this point, Federer and Allegro, who is ranked inside the world's top 50 in doubles, seemed to have broken down the British resistance with a crucial early fourth-set break of Murray's serve.
One is the bad boy of tennis, who holds the record for most consecutive weeks ranked Number One in doubles.
The volume of data produced doubles every year, according to Alexander Szalay, another astrophysicist, who works at Johns Hopkins University in Baltimore.
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