It also polarises the plug, ensures the line pin
is connected to the correct terminal in the socket and acts as an earth ground to protect against insulation failure of the connected device.
UniGrav wasn't even demonstrated at its 10-character-per-second speed "because the head moves too fast to see." One eye-catcher was the PM Micro, "the little production line pin
stamper that could," attached to an exhibit of a show-stopping Motor City Flat Head V8 engine.
ONE GOOD METHOD OF PITCHING A TENT IS TO USE A CHALK LINE AND REEL, NSN 5210-00-2739793, TO MARK WHERE TO PLANT THE GUY LINE PINS.
POUND IN GUY LINE PINS AT ABOUT A 45[degrees] ANGLE WITH THE HEADS POINTING AWAY FROM THE TENT.
SIDE GUY LINE PINS SHOULD RUN PARALLEL TO THE RIDGE POLE.
This move is correct thematically, but White probably plans to play Bh3 anyway and in this line pins
the pawn to the Rook on c8 and will inevitably win some material.