Unfortunately, bathroom ventilation fans often are set up so that they exhaust air to the space between ceiling joists, especially if the bath is located on a lower level toward the middle of the house.
The United States Postal Service defines a postcard as: rectangular, at least 3 1â2 inches (88.9 mm) high Ã 5 inches (127 mm) long Ã 0.007 inches (0.178 mm) thick and no more than 4 1â4 inches (108 mm) high Ã 6 inches (152.4 mm) long Ã 0.016 inches (0.406 mm) thick.
Post Cards are for transmission within India only. Dimensions 14 cm Ã 9 cm (length and breadth). Privately manufactured post cards shall not be thinner or more flexible than an embossed post card, and will have the same size and thickness of embossed post card. 2. Post cards containing communication recorded by printing, cyclostyling or by any other mechanical process are classified as 'Printed Post Cards'.