In some countries they do not allow tunnel atmosphere monitors to be mounted on the tunnel wall; also, where there is a single bore it is very difficult to gain access for maintenance purposes. The TunnelTech 400 series are extractive gaseous pollutant and visibility monitors and extract a gas and dust sample from the tunnel bore and carry to a remote analyser. This allows maintenance to take place without affecting tunnel traffic flow.
By Codel International Ltd based in Bakewell, UNITED KINGDOM.
The Cleanroom is a combined laboratory chemical, mechanical and / or electronic whose main characteristic is the presence of very pure air, that is a very low content of fine dust in suspension. In the process of semiconductor production, the airborne particles (micro-powder) go to irreparably damage the micro-photoetched that form the chip, creating an electronic circuit defective, and then discarded. This process has forced the improvement of industrial production environments, removing particles from the air, for two purposes: to increase the efficiency of production, increasing the yield of quality, and requirement of the manufacturer (of course based on the demand of the market) in shrink increasing the area of etching of semiconductors (just think of the USB storage media in a few years, went from 16 MB to 16 GB without changing the external dimensions).
By ETG Risorse e Tecnologia S.r.l. based in Montiglio, ITALY.
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