We have all heard of servos (short for servomechanism) but exactly what characterizes a “servo” is often a cloudy topic. Most sources are in agreement that the centrifugal ball governor invented by James Watt and used to control the speed of steam engines was the first application of a powered servo mechanism. This eloquently simple …
Viscosity and surface tension are properties that are often intuitively linked to one another. Because these properties are of primary importance in cleaning it will be worth the while to understand them a bit better. Surface tension is the property of a liquid that exists at the interface of the liquid with another media (usually …
Adding water to cleaning and rinsing tanks is inevitable in a cleaning process. Most modern machines include a means to sense liquid level and add more water or other appropriate liquid as necessary. It would seem simple enough, but there are a lot of factors to consider in managing liquid makeup. The first thing to determine is …
Wrong! I don’t think most of us would consider using motor oil to moisten our dry skin. By the same token, we wouldn’t use body oil in our car’s engine. The notion seems to persist in the cleaning industry, however, that oil is oil. We often neglect to differentiate between oils when it comes to developing or recommending a …
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