: an isomer that is a stereoisomer of a compound having two or more chiral centers and that is not a mirror image of another stereoisomer of the same compound â
A compact disc is a deceptively simple looking device considering the technology required to make it. 1  CDs consist of three layers of materials: 2  A base layer made of a polycarbonate plastic. 3  A thin layer of aluminum coating over the polycarbonate plastic. 4  A clear protective acrylic coating over the aluminum layer.
How is Corrugated Cardboard made? Corrugated cardboard is used for making boxes of all shapes and sizes. You must be familiar with the pizza box which is nothing but a bright box made from corrugated cardboard. Corrugated cardboard is a material made up of a fluted and ridged paper sheet and two or more flat linerboards. Corrugated cardboard is durable and thick made up of a wavy middle layer. Mailing boxes and most packaging material is made out of corrugated cardboard.