By Paige Freshwater It’s a common phrase used to scold those not paying attention in class, but people are shocked to discover that McDonald’s staff don’t flip burgers at all. Many children have heard a teacher shout, ‘Pay attention, or you’ll end up working at McDonald’s flipping burgers’, implying it’s an undesirable job for those lacking in qualifications. But this couldn’t be further from the truth, as not only is working at McDonald’s a perfectly respectable job, the fast-food chain actually uses double-sided grills, so there’s no need for burger flipping. A regular beef patty takes 42 se…