An exit route must meet minimum height and width requirements. [29 CFR 1910.36(g)] The ceiling of an exit route must be at least seven feet six inches (2.3 m) high. Any projection from the ceiling must not reach a point less than six feet eight inches (2.0 m) from the floor.
4. adjective. In Britain, first-class postage is the quicker and more expensive type of postage. In the United States, first-class postage is the type of postage that is used for sending letters and postcards. Two first class stamps, please. The price of mailing a first-class letter will not be increasing this year.
Standard postage is a cost-effective, but slower, delivery option provided by the United States Postal Services. Standard postage rates are only available for letter sized mail, including oversized postcards. First class postage ensures quick delivery to your recipient and we offer it at a discounted rate. Different rates are available for cards (including postcards) and letters.