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stirrers can be either ac stirrers, geared stirrers or emulsifiers and homogenizers. ac lab stirrers use variable ac speed and are frequency inverter driven stirrers; these stirrers indicate the revolutions per minute on a digital screen. homogenisers and emulsifiers mix fluids into a uniform and homogenised...
economic model or the planet will burn greta ignores davos panel question to give warning microsoft's pledge to eradicate its carbon footprint see more this car's headlamps are made out of mcdonald's coffee researchers at ford and mcdonald's have teamed up to turn waste from coffee beans into a new composite...