slowmotion
Quite dreadful
- Location
 - lost somewhere
 
An American engineering forum called CNCZone.  It has tens of thousands of highly skilled professional mechanical/machining engineers who are more than willing to give good advice.  They're amazingly polite too.
	
		
			
		
		
	
			
			
			
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  You just need to mention ULEZ or Sadiq Khan and they go absolutely berserk 
  Good place if you need a cleaner or handyman though...every other post is someone offering their services 