Computer that allows downloading (and uploading in some cases) of files by the use of file transfer protocol (FTP) over the internet. There are over a thousand FTP sites with hundreds of thousands of text, graphics, sound, and video files freely available to anyone. However, a FTP site is not a website because its data cannot be displayed like a webpage. See also anonymous FTP.
Scientific tools for making observations include a microscope, which is a tool used to see very small objects. In your science lab you use a compound microscope to see cells in 2-D, but a scientist can use a scanning electron microscope to view tiny objects in 3-D.
Tongs are a tool used to grip and lift objects, of which there are many forms adapted to their specific use. Tongs which have long arms terminating in small flat circular ends of tongs and are pivoted close to the handle, as in the common fire-tongs, used for picking up pieces of coal and placing them on a fire.