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There is a huge movement against LED because of this. We do keep Sodium lights going by repairing them in certain areas where we know they are very sensitive to this. I have to admit that I am with the sodium lovers and always use my expertise to repair them where as a lot of the lads will simply replace them with LED because it is easier and quicker to do,

This might sound strange on a DIY website. But I am probably more of a theory bod than a practical bod! I knew that sodium produced a specific wavelength of light when excited. But it had never actually occurred to me to look up how that scientific principle is turned into making a street light work. So, I am pleased to have done that now :)
 
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Or a carpenter? That's what people do if they can't make it as a sparky...lol

Just kidding :) before I get my head kicked in.

Just on that. Is there a difference between a carpenter and a joiner. Is one a higher skill than the other.
 
Just on that. Is there a difference between a carpenter and a joiner. Is one a higher skill than the other.
Joinery is finesse decor work, so much more skilled in that respect. I build cut roofs (carpentry), and it's more maths with a sprinkling of skill. I use a shop joiner for my decor stuff.
 
I must admit when I saw the lamp post pick, my first thought was that it didn't look like oak, mainly because of the grain. BUT that's just the perspective of somebody not an expert on wood who's only ever worked with European oak from Jewsons, I always thought American white oak was similar in appearance.
I'm sure there are species of oak that I've never seen before
 
Just on that. Is there a difference between a carpenter and a joiner. Is one a higher skill than the other.
A joiner is somebody who makes a product.
Typically it’s used to describe a person who works in a workshop to make windows, doors, staircases etc

A carpenter is a person who works on site.

But these days the terms have become blurred.
 
A joiner is somebody who makes a product.
Typically it’s used to describe a person who works in a workshop to make windows, doors, staircases etc

A carpenter is a person who works on site.

But these days the terms have become blurred.

Thanks. That's very interesting.

I'd always had it the other way round in my head!
 
When I was a kid, I used to like how the light was a different colour when they first turned on. I have just been Googling how a sodium lamp works. I hadn't realised how efficient they actually were. Obviously nowhere near LEDs, but better than I had thought.

I used to help install "sodiums" in an arboretum.

Their yellowy light looked lurvely, filling a large deciduous tree with a gentle glow (y)
 
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