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Can you explain the left side approach? I somewhat have an idea but would love to hear your side.
I have no idea. They just wanted to be approached from a certain direction when being served at tables etc
I must find out lol
In dining etiquette, (if you ascribe to that sort of thing) it’s customary to serve food & drink from the left, plates & cutlery should be cleared from the right. In some countries this may be reversed, but there’s usually an order. 
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