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.
What Blu-ray Disc variants are available? As with CD and DVD, Blu-ray Disc media comes in pre-recorded, recordable and rewritable variants. The pre-recorded disc is called BD ROM, and usually contains movies or re-issued TV shows in High Definition format. The recordable disc is called BD R, and can be used for archival of huge amounts of data or video.