Harry doesn’t talk to muggles or any one that is lower than him in significance. In the book, Rowling clearly shows how important Harry is; he only hangs out with Ron Weasely so others will see him as kind and caring, just to up his reputation. But really, hes in it for Hermione ;)
Answer: the faa is the answer
1. "Workers" and "tables" are both nouns, because they describe a group of people (workers) and a group of things (tables)
2. I may be right or wrong, but I believe "workers" is the subject in the sentence
