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- I mean, for example, a surface of polymer. Like in a processe the web/surface are passing through a chemical treatment to improve surface properties. So when I was reading an article and books I saw this words used in this different ways, so I wanna know in witch context should I use web to talk about surface.I hope you understand what I mean...0 votedJune 11, 20200
- Questions about grammarI was reading a book in British english and I saw this phrase "the thickness of the wire will also affect the ratio of the oxide to wire with the thinner the wire the greater the proportion of oxide present".My question is if a comma is missing in anywhere, because it's a little bit confusing to me. I just want to know if everything it's right because I am not fluente.May 26, 202050
- orthodontic apparatus vs brace: What should I say?I was reading and I saw the word brace and it was talking about the orthodontic apparatus. But i saw on Google that brace is a pair of straps that pass over the shoulders and fasten to the waistband of a pair of trousers or a skirt at the front and back to hold it up; suspenders. So what should I say when I am talk about the orthodontic apparatus?Other doubt, should I say "I am use brace (orthodontic apparatus) or I am wearing brace (orthodontic apparatus)?"Sorry about my English but I hope you guys understand what mean!May 21, 202020

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