Common Technology

There are many types of common technology, Such as The Telephone which is used in pretty much every country nowadays. The telephone was invented in 1876, Alexander Graham Bell. Other types of common technology is  the incandescent light bulb, which are used in most common households, that was invented in 1879.  Common technology is used to make things easier or it can also just be for entertainment, For example the Television is common technology , Since you see it practically everywhere. The television was invented in 1923, By Philo T. Farnsworth, Vladimir Zworykin, and John Logie Baird. Here are some other types of common technology. The Electric fan which was invtened in 1882, this is used to cool off or remove heat from something. The Digital Computer is common technology ,Since it used by many people for many things such as Online shopping or even College. The Digital Computer was invented in 1939. A Structural Steel Bridge is also another type of common technology. This is used to allow crossing from one point to another, It was invented in 1874. The Rocket which was invented in 1926 is commonly used throughout the world by people. Foil which is used in cooking and other things is very common in households since it holds heat and conducts heat also which can be used for cooking and storing items that need heat or need to be cold.