Traditionally, frying pans were made of cast iron. Although cast iron is still popular today, especially for outdoor cooking, most frying pans are now made from metals such as aluminium or stainless steel. The materials and construction method used in modern frying pans vary greatly and some typical materials include:
The total flight duration from Seattle, WA to Shanghai, China is 11 hours, 58 minutes. This assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots. It also adds an extra 30 minutes for take-off and landing.
However, some airlines could take as long as 22 hours based on the stopover destination and waiting duration. This is the average non-stop flight time from Boston to Seattle, WA. Apparantly, connecting flights and direct flights with stopover take longer time than non-stop flights.