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.
The U.S. postage required to mail a first-class letter from Texas to Vancouver, Canada is $1.15, according to the United States Postal Service. This rate only applies to letters weighing up to 2 ounces. Continue Reading. Postage for letters weighing over 2 ounces but not more than 3 ounces is $1.61. The postage on more than 3 ounces is $2.08. The maximum weight allowed on first-class, international letters to Canada is 3.5 ounces. Letters exceeding this amount are charged international flat-rate prices.