Systems, devices and methods for defining, identifying and using health-related significant events are disclosed. The first and second supply lines are connected to a source of hydraulic fluid. The board may be used in a variety of construction applications, with the pattern facilitating the quick attachment of the board to the underlying frame by placing the fasteners using the first markings of the first array or the second markings of the second array. First oblique folding lines and second oblique holding lines are formed on the upper-stuck part by respective angles.