Quill nib and smart meter: what they have in common
- Step 1. Quill nib — is part of — Quill pen. A sharpened split tip.
- Step 2. Quill pen — uses — Ink. It writes with ink.
- Step 3. Ink — is used in — Printer. It prints with ink.
- Step 4. Printer — has part — Microcontroller. A controller processes the print job.
- Step 5. Microcontroller — is part of — Smart meter. A microcontroller does the metering.