EE WAS BLOCKING THE LIME & SCREENING BIN DOORS OPEN WITH 4""X8""X16"" WOOD BLOCKS TO PREVENT THE DOORS FROM BECOMING FROZEN SHUT OVER THE WEEKENDHE PLACED 1 BLOCK IN THE #8 BIN DOOR & ANOTHER E E CLOSED THE DOOR ON THE BLOCK. HE THEN PLACED 1 BLOCK IN THE #7 BIN DOOR, AND THE OTHER EE CLOSED THE DOOR ON THE BLOCK. WHEN THE #7 BIN DOOR CAME SHUT IT PUSHED THE BLOCK TOWARD THE BLOC