SO im wondering about synthetic oil in my 2012 corolla and how many miles is safe to go over without changing it. You could change 100% synthetic oil at 6-9k miles and not have a problem (synthetic blends and regular dino oil at less mileage). This information is all over the Internet...
Usually the field hockey goalkeepers must wear extensive additional protective equipment including chest guards, padded shorts, heavily padded hand protectors, groin protectors, neck guards, arm guards, and like all players, they must carry a stick.
Ice hockey and its various precursor games utilized balls until the late 19th century. By the 1870s, 'flat' pucks were made of wood as well as rubber. At first, pucks were square. The first recorded organized game of ice hockey used a wooden puck to prevent it from leaving the rink of play. The rubber pucks were first made by slicing a rubber ball, then trimming the disc square.