Should I ask her and is it appropriate?

Hey lads and specifically ladies for this question...
I have a second job on the side as a lorry driver for a food company. Once or twice a week, I deliver to a place that has a really sweet, pretty and funny girl working there. I've no idea if she's single or anything about her, only that she's part Spanish and works where she does. We only really say hello and she always offers me a coffee but I'm going to be honest.. I really like her and I feel a connection with her.

So my question is... Do I risk the work boundaries and ask her for a coffee? Is that appropriate? I would hate for her to think I'm a wierdo but maybe she likes me too?
Should I ask her and is it appropriate?
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