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.
Other types of volcanic glass include: 1  Pumice, which is considered a glass because it has no crystal structure. 2  Apache tears, a kind of nodular obsidian. 3  Tachylite (also spelled tachylyte), a basaltic glass with relatively low silica content. 4  Sideromelane, a less common form tachylyte. 5  Palagonite, a basaltic glass with relatively low silica 6  ... Hyather types of volcanic glass include: 1  Pumice, which is considered a glass because it has no crystal structure. 2  Apache tears, a kind of nodular obsidian. 3  Tachylite (also spelled tachylyte), a basaltic glass with relatively low silica content. 4  Sideromelane, a less common form tachylyte. 5  Palagonite, a basaltic glass with relatively low silica 6  ... Hya