After your shower, you go into the kitchen. Your favorite breakfast is already on the table. Our houses in the future will be "smart". Appliances (电器) will be able to talk with each other-and with you. For example, your fridge will know what you have in it a...
This act made it possible to offer military aid and munitions to foreign nations the president deemed vital to the defense of the United States and for which Congress appropriated money. This allowed the United States to support its interests in World War II without direct involvement. [Pictured...
The law also created exemptions for those products not used in potable services like manufacturing and irrigation, as well as toilets, bidets, urinals, fill valves, flush-o-meter valves, tub fillers, shower valves, service saddles, or water distribution main gate valves that are 2 inches in ...