1 electrode is the first electrode specially developed for use with a CO2 gas shield, the makers state. ... requiring air filtering equipment capable of handling heavy dust loads for long periods with the minimum of manual attention. ... consists of a cast aluminium housing enclosing the photocell and is fitted with an optical system of adjustable focus through which the ... The housing has a gasketted removable rear cover to facilitate focussing, inspection, and replacement of the photocell.
|Title||:||Chemical & Process Engineering|