Coiled tubing

src: i1.wp.com In the oil and gas industry, circular tubes refers to very long metal pipes, usually 1 to 3.25 in (25 to 83 mm) in diameter...

Disc film

src: upload.wikimedia.org Disc film is a still photography film format intended for the consumer market, and was introduced by Kodak in 19...

National conventions for writing telephone numbers

src: cdn.nybooks.com national convention for writing phone numbers varies by country. While international standards exist in the form of I...

Mercury (element)

src: i.ytimg.com Mercury is a chemical element with symbol Hg and atomic number 80. It is commonly known as quicksilver and was formerly ...