Far from being a spark plug for crowd trouble, I believe anthems, whether booed or sung with lung-busting gusto, add to the atmosphere of the game and put fire in players' bellies.

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The fast-ignition technique is more like a petrol engine: first the fuel is compressed and only then is it ignited by a second laser pulse acting as a spark plug that is fired through a hole in the pellet.

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Red Bull did not test the constructors' championship-winning RB6 in the first winter testing session of 2010 and suffered early-season problems when Sebastian Vettel lost the lead at the Bahrain Grand Prix because of a spark plug problem, finishing fourth as a result, before retiring in the following race in Australia with a wheel problem.

BBC: McLaren deny missing winter testing session is risky

It could be a simple spark plug change or a list of repairs, many of which might be unnecessary.

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It acts like a giant spark plug, busting apart a tiny portion of the diesel fuel with an electric charge so that the molecules rearrange themselves into carbon monoxide and hydrogen.

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By giving people the tools to turn 3d creations into real things, Pettis has created a spark-plug for the 3d world.

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For the first quarter-century of the microprocessor's life, most integrated-circuit packages were fairly predictable hunks of ceramics, bought largely from one of four Japanese firms: Kyocera (its name is a combination of the words Kyoto and ceramics), NGK Spark Plug, Shinko Electronic Industries and Sumitomo Metal Electronics Devices.

FORBES: It's all in the packaging

For the first quarter-century of the microprocessor's life, most integrated-circuit packages were fairly predictable hunks of ceramics, largely bought from one of four Japanese firms: Kyocera (its name is a combination of the words Kyoto and ceramics), NGK Spark Plug, Shinko Electronic Industries and Sumitomo Metal Electronics Devices.

FORBES: It's all in the packaging