On 24-8-2014 20:32, Alain wrote:
> Take a look at some real quary trucks. You'll see that the headlights
> look realy tiny. In some cases, you may not even notice that they are
> there at all... The fact that they are the same dimention as those used
> on road truck is lost to the sheer dimention of those quary trucks.

I did indeed and then wondered about their usefulness. I seem to 
remember a documentary about a South American mine using these giants 
working 24/7. The lights seemed quite bright so, although /tiny/, they 
must be quite strong.

Thomas

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