Phoenix Passport - Where to Apply for a Passport in Phoenix, Az. 1  There are 10 passport offices in the city of Phoenix where citizens of the United States can apply for a new passport. The majority of facilities are located at local post offices. 2  Get your passport expedited in 24 to 48 hours.
The traditional method of melting chocolate is to use a double boiler. A double boiler is a specialized set of pans consisting of a saucepan that holds hot water, and a bowl that fits securely over the saucepan. Chocolate is placed in the top bowl and allowed to melt over gentle, indirect heat.
In some designs the piston may be powered in both directions in the cylinder, in which case it is said to be double-acting. Steam piston engine. A labeled schematic diagram of a typical single-cylinder, simple expansion, double-acting high pressure steam engine. Power takeoff from the engine is by way of a belt.