You need to wash your hands after using insecticides because they are poisonous if eaten, and potentially an irritant if brought into contact with your eyes. If you don't wash hands between using insecticides and eating/rubbing eyes, then this would present a health risk.
to remove poisonous substances from insecticides
because it will wash all bacteria off your hands for when you eat food and do anything
a base
they need to wash there hands to each for refreshments
After I have used the toilet, I wash my hands.
You need to wash your hands
Because we are lazy
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.
Wash your hands after using the bathroom + Wash your hands before any meal. Do not put your fingers into your mouth or germs will spread.
wash your hands :)
Some people don't realize the germs that they are spreading by not washing their hands after using the restroom.
Wash your hands.