The 800 series flowmeter is created to offer high performance and competitive pricing with 6 flow ranges from 0.05 to 15 litres per minute. It’s totally non-metallic wetted components makes this the perfect choice for the metering of aggressive chemicals including ultra-pure water. The standard inlet tubes are barbed to accept two hose sizes 8mm and 12mm although for OEM use alternatives are available.
英國鐵路公司如何推動凈零排放
It would be better if the trains had good coverage of the country. Large areas have no easy connection and so cars (or buses?) and lorries are still...