10 Best Cars for the Great American Road Trip. PORTLAND, Ore. (TheStreet) -- The Great American Road Trip isn't dead, it just needs some tweaking. Getting out the map, seeing the country and sleeping where the day takes you is a grand tradition that the automobile is becoming less and less vital to.
Another benefit from the use of toroids is that shield cans aren't necessary in order to isolate the toroidal coil from adjacent components. Toroids have an inherent self-shielding property. Specifically, the field from a toroidal inductor is pretty much self-contained.
Uses of poloxamer 407 [edit]. Most of the common uses of poloxamer 407 are related to its surfactant properties. For example, it is widely used in cosmetics for dissolving oily ingredients in water.It can also be found in multi-purpose contact lens cleaning solutions, where its purpose there is to help remove lipid films from the lens.ost of the common uses of poloxamer 407 are related to its surfactant properties. For example, it is widely used in cosmetics for dissolving oily ingredients in water. It can also be found in multi-purpose contact lens cleaning solutions, where its purpose there is to help remove lipid films from the lens.