Washing machine
device · 1908 · Electric age
An electric machine for washing clothes.
What it is made of
- Electric motor — has part. A motor turns the drum.
- Heating element — has part. A heating element.
- Centrifugal pump — has part. A drain pump.
- Ball bearing — has part. Drum bearings.
- Shock absorber — has part. Shock absorbers damp the drum's shaking during the spin.
Principles and materials it uses
- Centrifugal effect — uses. The spin cycle.
- Synthetic detergent — uses. Detergent powder.
- Steel — is made of. The drum is steel.
History: what it evolved from and what it influenced
- Mangle — evolved from. Early machines had rollers for wringing.
What it is a kind of
- Household appliance — is a kind of. A household appliance.