Thus, the lid member is movable, by a combination of the pivoting and bodily displacement thereof, between a closed position in which the plate portion is between the projecting edge portions at {HEAD ~ the straight side} of {TAIL ~ the casing} for closing the opening therein and an opened position in which the plate portion of the lid is disposed at the outside of the top or bottom wall of the casing adjacent the respective edge portion 
of
Thus , the lid member is movable , by a combination of the pivoting and bodily displacement thereof , between a closed position in which the plate portion is between the projecting edge portions at { HEAD ~ the straight side } of { TAIL ~ the casing } for closing the opening therein and an opened position in which the plate portion of the lid is disposed at the outside of the top or bottom wall of the casing adjacent the respective edge portion
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