A cardstock folder with a built-in three-ring binder is called a "Duo-Tang" in Canada; this is an example of a “proprietary eponym,” which is when a brand name becomes synonymous with the category. Duo-Tang, as a brand, went out of business in 2004, when Duo-Tang was purchased by Esselte.Know More
The Duo-Tang and other folders like it used flexible metal fasteners to hold the contents contained within the cardstock covers used for presentations such as school reports. They were especially popular with students.
Esselte, a brand owned by D.C. Helms, Inc. of Phillipsburg, N.J., marketed similar products bearing the Esselte or Oxford brand name.Learn More
Bubble wrap is made out of polyethylene resin. Polyethylene is a frequently used plastic polymer first synthesized in 1934. Bubble wrap was invented in 1957 by inventors Marc Chavannes and Al Fielding.Full Answer >
To load a staple gun, press the latch on the back of the gun and load the tray with staples, sliding it back in when you are finished. You will need safety glasses and the correct size of staples. Loading the staple gun will take less than five minutes.Full Answer >
The average height of a desk used for general purpose writing is 28 to 30 inches. Desks used for typing should be lower at 24 to 28 inches. Comfortable desk heights vary according to the height of the person.Full Answer >
According to Strategic Management Insight, Apple’s core competencies include innovation in mobile device technology, strong marketing teams, high quality customer service and a strong financial performance. It also has a strong brand reputation for its products, which include the iPad, iPod, iPhone, Apple TV, and Mac computer hardware and software.Full Answer >