9 COLLARS FOR POSITIONING IN AND AROUND OPENINGS IN WALLS, FLOORS AND CEILINGS OF BUILDINGS FOR PREVENTING THE SPREAD OF FIRE/SMOKE/HEAT THERETHROUGH AND OTHER FIRE/SMOKE PREVENTION APPLIANCES, NAMELY, FIXTURES OF VARIOUS DIFFERENT SHAPES DESIGNED TO FILL THE AREA BETWEEN A WALL/FLOOR/CEILING PENETRATING ITEM AND THE SURROUNDING HOLE IN THE WALL, FLOOR, OR CEILING TO FACILITATE IT'S PENETRATION THERETHROUGH