Hall sensor and sewage treatment plant: what they have in common

1. Step 1. Hall sensor — is part of — Anti-lock braking system (ABS). Sensors measure the wheel speed.
2. Step 2. Anti-lock braking system (ABS) — evolved from — Air brake. Anti-skid systems first appeared in aviation and on railways.
3. Step 3. Air brake — has part — Compressor. A compressor pumps the air.
4. Step 4. Compressor — is part of — Sewage treatment plant. Blowers supply oxygen to the microbes.

Open Evothings