Yes, you should always be sterile before performing any experiment as to not add any variables.
wash your hands
You should always wash your hands after you have been to the toilet and before eating meals. If you feel that you have touched a bacteria infested surface, it is always good to wash your hands.
Before so everything stays consistent and after so you're not all germy and stuff. :D
it doesn't matter how many seconds you should wash your hand, but that you wash them thorougly
Yes, it is important to wash your hands before handling your hamster to prevent the transfer of germs or bacteria that could potentially make your hamster sick. This not only protects your pet but also promotes good hygiene for yourself.
You must wash your hands after an experiment so you don't contaminate yourself with anything harmful.
Wash your hands and arms thoroughly and rinse them in clean water.
wash babies hands after changing their nappy/going to toilet, after blowing their nose, after playing outside, before eating
Yes. You should not be handling fresh gloves with dirty hands.
You wash your hands and wash the equitment.
then all the germs in our hand will be washed
As per the safety rules you must wash your hands after experimenting because when handling chemicals or bio-hazardous materials it might left some bacteria in your hands and you can be sick after that or you can get a disease. So always wash your hands with soap even though you wear gloves while experimenting.