| http://www.w3.org/ns/prov#value | - Examples of several types of lasers available for industrial use are: gaseous lasers such as carbon dioxide or helium-neon; solid state light pumped lasers such as ruby, neo-dymium-yttrium aluminium garnet (Nd-YAG), or glass; semi-conductor lasers such as gallium arsenide, and plastic lasers and lasers using conjugated organic molecules such as benzene, toluene or napthalene.
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