Blood pressure cuff and personal computer: what they have in common

1. Step 1. Blood pressure cuff — is part of — Blood pressure monitor. An inflatable cuff for the arm.
2. Step 2. Blood pressure monitor — uses — Pressure. Measuring pressure.
3. Step 3. Pressure — is used in — Pipe organ. Air is supplied under pressure.
4. Step 4. Pipe organ — has part — Keyboard. Manuals were the first keyboards.
5. Step 5. Keyboard — is part of — Personal computer. A keyboard.

Open Evothings