The Docklands Light Railway (DLR) was extended to Stratford in 1987, and to Stratford International in 2011, with services to Poplar, Canary Wharf, Lewisham, London City Airport, the Excel Centre, Beckton and Woolwich Arsenal.
There are two main categories of asbestos: amphibole asbestos and serpentine asbestos. The serpentine asbestos group contains one type of asbestos, chrysotile. The amphibole asbestos group consists of several types of asbestos: amosite, crocidolite, anthophyllite, tremolite, and actinolite.
There are six different varieties of asbestos, but the three most common are: 1  Chrysotile, also known as white asbestos, originates in Canada. 2  Amosite, is called brown asbestos, is an âamphiboleâ from Africa. 3  Crocidolite, or blue asbestos, is an amphibole rock found in Africa and Australia.here are six different varieties of asbestos, but the three most common are: 1  Chrysotile, also known as white asbestos, originates in Canada. 2  It is from a âserpentineâ rock, which means its fibers are curled and less sharp, pose fewer threats than other types of asbestos and is the type most often used industrially.