thermal expantion
Wash them.
Soap?
you can put dirty clothes in a wash bag
No. But it is unhealthy to wear dirty clothes always wash your clothes and stay clean.
no,it doesn't
You put the clothes in the wash machine with laundry detergent/soap and then put the clothes in the dryer with a dryer sheet.
Wash in a machine as with most clothing on a suitable cycle.
no just when they are dirty
Just rinse the clothes. The soap should wash away in the water. The easiest way to do this is probably to put them in the washer.
to wash your hands and clean your body in the shower!!!
wash immediately with soap and water
You can, but you need another ingredient. You cant just wash it with water and it'll be clean! You need soap. Scrub soap on the shirt and then rinse it in water. Your clothes will be clean. I GUARANTEE IT!!!!