Yes, but washing wool is a bit of an art form. Hot water is recommended, but regular laundry detergent is not. Instead, use a gentle dish detergent such as Dawn. It's much easier on the wool. Under no circumstances should you ever put wool in the dryer. Lay the sweater out flat on a towel to dry
It is advisable to hand-wash pure wool, just to be absolutely safe. However, many modern washing machines have a "wool" cycle which is gentle enough to handle pure wool. Place the garment in a mesh washing bag (usually found in the laundry section of a supermarket) and use Wool Wash. It should be fine.
Yes, and when it shrinks it is permanent.
An insulator.
because the yarn in the sweater is cleaned and died and the wool on the sheep is not
A mens wool sweater costs 5 million dollars.
no
hair, towels, jeans, dog, dishes, blankets, car
If you want to wash your wool coat at home you should think about purchasing an at-home dry cleaning kit such as Dryel then follow the instructions on the package.
The sweater was made of wool. They attempted to make a sweater from the bags.
A sweater
Merino is made of extra long, fine wool that comes form this particular kind of sheep.
An insulator.