About 2 minutes.
One approach would be some kind of membrane process like ultra- or nanofiltration. The questions to answer first are: * How much water do you want to process? * Do you want the soap or the water? * What costs are acceptable? Membrane processes are physical pocesses, and they require substantial pressure to work.
From first hand experience, foaming hand soap will work in a non-foaming dispenser. Although the soap will come out as regular soap, not foam. The foaming soap will work as regular soap, just not foaming soap.
It might, but scissors work much better.
Soap contains small amounts of Lye which acts as a powerful solvent for grime and dirt.
40 hours / wk
The average full-time job requires at least 40 hours a week. However, there are some jobs that require much more time than that.
40 hours / wk
40 hours / wk
Sodium chloride is added to precipitate the soap.
There WAS no laundry detergent in 1910. To wash your clothes, you used flakes of soap (and you probably made the flakes by grating a hard bar of soap). This did a poor job. In 1933, Dreft detergent was marketed for the first time (a detergent, not a soap) but it did not work well on heavy stains. In 1943, Tide detergent entered the market- and is still around- improved a reported 21 times since then. But in 1910, drag out the soap and the grater.
there is a hole on other end when you push down it forces soap into hole and pushes out the soap in the top
Most states require that you be at least 14 to get a work permit. And working with animals is considered hazardous and can require you to be much older.