UPTON – Connor McNamara, 17, watched the towering piece of equipment he programmed to make a chessboard Tuesday morning, as it whirred, drilled and cast piles of white shavings onto the floor. The day was one of about four per month when McNamara and his classmates have on-site classes at Blackstone Valley Regional Vocational Technical High School, under coronavirus safety precautions. "Despite remote learning, I am on track," the advanced manufacturing and fabrication student said, noting that a lot of his study, like learning coding, doesn't require him to practice on the machine regularly...