A person does not "need" to wash their hands on a daily basis, but rather "should" wash their hands whenever circumstances dictate.
These instances include:
So the conclusion is that, you need to wash your hands a lot.
Probably every three to four hours or so.
3 washing machines
no but washing your hair to much is bad
Hand washing is not always better than machine washing, but when it comes to stains it is likely a better choice. Machines use hot water, which can set some stains, and wash many clothes at once, which can re-deposit stains on another piece of clothing. Hand washing allows the washer to treat each stain depending on the type of stain and the fabric.
Using a dishwasher is faster and sometimes more cleaner than washing by hand. Hand washing saves money on energy because of drying, but it is time consuming. I prefer to use a dishwasher when I have a lot of dishes to do, but handwash if there are only a couple of dishes.
Of course. Any washing machine can be used more than once. It can be used as many times as you want with most brands. With mine, I do three times.
washing,dry cleaning,pressing,shorting,hand pressing and steam pressing.
It saves a lot of work compared to washing clothes by hand. Many women in undeveloped countries spend about a day doing what a machine will do in half an hour.
732 times
You can wash a car with as little as 1 gallon when you wash by hand.
Minute hand will rotate 1440 times in 24 hours.
Once
Once per hour.