Hair rollers and internet: what they have in common
- Step 1. Hair rollers — works like — Curling iron. Both shape a curl: a curling iron does it at once with heat, rollers while the hair dries or cools.
- Step 2. Curling iron — has part — Thermostat. A thermostat holds the set temperature so the hair is not burnt.
- Step 3. Thermostat — is part of — Smart home. A smart thermostat.
- Step 4. Smart home — uses — Internet of things. Devices on a network.
- Step 5. Internet of things — uses — Internet. Connecting to the network.