Mercury. Most people know that this element is toxic âitâs been phased out of many products and has even been banned in some countries as an ingredient in cosmeticâwhich makes it all the more surprising that many skin bleaching products out there still contain mercury.ercury. Most people know that this element is toxic âitâs been phased out of many products and has even been banned in some countries as an ingredient in cosmeticâwhich makes it all the more surprising that many skin bleaching products out there still contain mercury.
One group of manufacturers is known as the DVD forum, made up of Mitsubishi, Hitachi, Time Warner and Sony support DVD-R, whilst the +R format is supported by the DVD+RW Alliance, who consist of Sony, Yamaha, Philips and Dell. These days all modern writers support both types of DVD format.
DVD Media. Digital video discs have a significantly higher storage capacity than CDs and offer a fuller, multi-channel sound (such as surround-sound) experience. There are four types of DVDs: To utilize dual-layer technology, you must have both a compatible disc writer and dual-layer media. The actual number of files you can archive (or burn) on a disc varies depending on the quality level of saved files.