Where are adhesives used?
What will be an ideal response?
Adhesives also employ chemical-bonding principles. Although natural adhesives have been used for centuries, modern developments led to the invention of very strong synthetic adhesives. These adhesives are used to glue ceramic tile on the space shuttle, the rearview mirror on automobile windshields, and assembled furniture and utility pipes. Some materials, such as thermoset plastics, can only be fastened by adhesives.
Modern adhesives are used to fasten metal, plastics, ceramics, leather, paper and cardboard, wood, and nearly any other material. Adhesives may prove to be an excellent material-fastening technique for many design applications. They are often stronger than the material itself and, if applied carefully, will provide a very clean joint.
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Se debe levantar la pluma _____.
a. soltando el cable de la plataforma b. elevando el indicador del ángulo de la pluma c. elevando el bloque de carga d. colocando el fiador del elevador de la pluma
Romex® is another name for _____.
a. Type MC cable b. Type NM cable c. Type AC cable d. Type SE cable
What is the common range of light intensity applied in a greenhouse from supplemental lamps such as low pressure sodium lamps for purposes of increasing photosynthesis in potted ornamental crops?
What will be an ideal response?
Gasoline should be stored in approved containers that include what color(s)?
A) Yellow container B) Red container C) Red container with yellow lettering D) Yellow container with red lettering