PU synthetic leather (also known as bi-cast leather, bycast leather or artificial leather, sometimes described as split leather) is a material made with asplit leather backing covered with a layer of polyurethane (hence the term PU leather) that is applied to the surface and then embossed.
Constitution Daily. How a C-grade college term paper led to a constitutional amendment. The 27th Amendment is the most recent amendment to the Constitution, and its existence today can be traced to a college student who proposed the idea in a term paper and was given a C by his professor for the idea.
Confidence votes 154. To make sure people of America have equal rights. An amendment to the Constitution is a change that can add to the Constitution or change an older part of it. An amendment can even overturn a previous amendment, as the 21st did to the 18th(prohibition).onfidence votes 154. To make sure people of America have equal rights. An amendment to the Constitution is a change that can add to the Constitution or change an older part of it. An amendment can even overturn a previous amendment, as the 21st did to the 18th(prohibition).