Plastic shopping bag

The chemistry behind polymers, the substance from which plastic is made, is very important in the everyday lives of the average person. To start, “The simplest definition of a polymer is a useful chemical made of many repeating units” (“The Basics”). Further, polymers are not limited to just plastics, but all types of plastic are polymers (“Plastics”). Some examples of polymers include cellulose and DNA (“Plastics”). Plastics are used everywhere in life today, and understanding the way that they…

Since the beginning of the 20th century plastic has become the most common material. Plastics play an important role in almost every aspect of human life. It is found in virtually everything these days; plastic is used to manufacture different products like furniture, beverage containers, toys, and food packages. What makes a lot of manufactured materials these days depends on plastic, because of its durability, lightweight, flexibility and it low cost. Also it can be easily molded into a…

A Description of the Leatherman Raptor Shear INTRODUCTION: The Leatherman Raptor shear is a compact, multi-tool, that was designed for medical and emergency professionals to have an all-in-one tool to use in survival situations. These beneficial shears contain several useful tools, such as an oxygen tank wrench, auto glass breaker, belt strap cutter, and ring cutter. DESIGN: The Leatherman Raptor shear folds into a compact size of 5 inches in length and comes with a convenient belt clip for…

Many types of residential windows Denver options can be found on a variety of homes in the state. The type of window that is installed is based on the style of the house and the preference of the home owner. There are different types of windows that are available at any home improvement store. One type of window that is found on a home is a fixed style. You can see this style of window as a bay window or a picture window. A fixed window is not designed to open. The product is typically cheaper…

Vinyl Record Materials Materials to used to make records have evolved and changed several times over the years. The earliest disc records from 1889-1894 were made of various materials including wax and. Rubber. Shortly after, a shellac based compound had been experiment with leading to it becoming standard. Each manufactures exact formula varied, but they typically coated records with a shellac (wax) resin Shellac The materials typically used to make for a shellacked disc where cardboard and…

and formal occasions. What kinds of black costume gloves are there? These Halloween accessories come in many shapes and sizes. Since black is one of the most popular glove colors, people requiring hand-wear in black for Halloween should plan on shopping ahead of time. Additionally, black costume gloves are made from numerous fabrics. There are satin, fishnet, wool, cotton, and leather costume gloves. These should be made to fit adult hands, although women with small hands may actually fit…

filled with so much trash. Not only has the land become filled with trash, but the oceans and bodies of water around us have become more polluted with trash. What people do not understand is, it is not very hard to pick up a piece of paper, or a plastic bottle that is lying around them. Our country’s citizens have become too lazy to care about what our country looks like. These pieces of garbage are not only making our country’s environment look bad, but is putting a lot of animals, and marine…

Moreover, Teflon can used in chemical manufactures such as hoses that can endure very high erosive substance and sometimes, it need to move at very high of levels heat. Teflon have coating in the inner pipe and it used in erosion resistance and flexibility. Every hose will break over time, but those hose that have Teflon coating in the inside can be broken slowly than any other hoses that made of other materials because those materials do not have the same feature with Teflon. Also, Teflon…

MANUFACTURING COSTS: Functional Elements: The baby stroller is mainly composed of three materials: Nylon (woven, as fabric) Plastic (injection molded, for plastic parts) Steel (tubing, for frame) Fasteners are included in the assembly of different components of the strollers. The stroller would have to be manufactured on an assembly line. The fabric weaving and seat making, the plastic molding and the frame can simultaneously be manufactured in their respective work areas. Following are…

The usage of Additive Manufacturing is rising with an increasing rate. Instead of molding, casting, or machining products and its parts out of the piece of metal or plastic, larger than product, with Additive Manufacturing they are “printed”. Printing done by devices that build up very thin layers of metal or plastic, where layers, used to produce an object, could be smaller than the diameter of a human hair (Dupin 2015). Additive Manufacturing (AM) and 3D printing are the two terms, which are…