Finding the Flavor of Chocolate. Gregory Ziegler puts a small block of chocolate into a styrofoam bowl and sticks it into the microwave. Soon, a lovely sweet aroma spreads through the air, lending warmth to the otherwise bleak lab. Ziegler takes the bowl out of the microwave; it's filled with a thick, swirling liquid.
First Class Large Envelope/Flat Mail. Minimum size: 6 1/8 inches tall or 11 1/2 inches long and 0.007 inches thick. Maximum size: 12 inches tall x 15 inches long and 3/4 inches thick. Maximum weight: Up to 13 oz.
These specifications have been put in place to help make address reading easier. In the United States, first class mail necessities envelopes of the letter size. The dimensions must be between 5 inches and 11.5 inches wide, 3.5 to 6.125 inches high, and 0.007 to 0.25 inches thick. Post office preferred envelopes in Australia have 4 boxes with orange colored inks at the right hand part.