Steam loco in reverse, or video in reverse?
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good try 
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Who will know 
not like the steam will be going backwards 
wind…
smoke…
chimney …
I think the mods. will know 
We will now
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.eettimmoC eht rof ton ,srebmem eht rof eb ot desoppus si egnellahc ehT
.liaverp dluohs esnes nommoC
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Hence my comment on the steam looking odd
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uoı̣ı̣ʇɐɔɟı̣ı̣ɹɐlɔ ɟo ʇI q ɐ ɥʇı̣ı̣ʍ ƃuoɹʍ ƃuɥʇou
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Man, do I feel stupid now! Genuinely thought it was for reversing the video. Had not even occurred to me that steam trains might go backwards through a tunnel.
I blame the drugs. 
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Yes, I had thought it was for reversing the video as well, because it looks so much more interesting 
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I can’t believe I can read that with no effort, or turning my phone upside down.
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For a couple of years I drove around the country picking up real ales from small breweries. Each one was different, with its own character.
Now ahot directly down on a brewery with all the tanks could be entered for competition item number 13 and most people would accept it as such 
I’ve done a bit of research (in my efforts searching for sewage works with more than 50 “circular filtration tanks”), and consulted with a colleague who leads my firm’s wastewater plant division.
My understanding is that the picture shown in the example for this category is in fact a settlement tank or clarifier, not a filtration tank i.e. it contains sewage water in which the particulate settles, it is not filled with a filter medium through which sewage water is filtered. The trickling filter is distinguishable by having multiple arms that distribute the wastewater onto the filter bed; the settlement tank is distinguishable by having just one arm (or fewer arms) used for scraping scum off the top of the wastewater.
My colleague believes there are therefore probably no sewage plants in the UK that have 50 or more filtration tanks, largely because of how much land they occupy - most of what you see from above will be sedimentation tanks. He said:
All this said, finding a works with 50 or more circular filtration tanks seems unlikely to me, given the land requirements. Anything requiring that sort of number would not use this process but would be an activated sludge plant.
To complicate things further, not all sedimentation or filtration tanks are uncovered. Many are now covered, because of investment in odour control. However, not all covered circular tanks are sedimentation tanks; some are digestion tanks (where the solid waste is processed and the roof covering is required to trap methane). You can normally tell the covered sedimentation tanks apart from digesters because the digesters have lots of pipework to collect the methane.
So …
Can I suggest two possible revisions for the bonus points? Either “50 or more circular tanks”, or “50 or more uncovered circular tanks”. Either of those avoids the need for any specialist knowledge about what each tank actually is, and both of those address the issue that most of what we see are sedimentation tanks / clarifiers, not filtration tanks.
Too serious
This competition makes me laugh! whatever rules and stipulations are given there will be questions for any slight grey area
If you said take a picture of a tree we would have a botany lesson on the definition of it
We are a funny bunch on here
You can read a post and you know the members that ears prick up straight away 
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No Steve … Don’t bite don’t bite don’t bite lol
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More interesting that someone that cannot parse a short sentence to know that it can’t have been a video in reverse that’s wanted, is the same person can write a book on different tanks in a sewerage treatment plant.
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There has to questions for grey areas as things can be disqualified for being incorrect…
For example:
Turns out wether it’s centered or not, if it’s not in focus that counts too.
Truck… lorry… pickup truck= small vehicle
So clarification question are always good IMO 
Competition threads always make entertaining reading 
I do feel sorry for the committee sometimes,tho I bet they post the competition and then wonder why they Inflict this pain and pressure on them self’s lol
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