Water retained in this drain's bend forms a barrier against sewer gases.

Think it. Then flip it. ahamoraTap to reveal Back to the cue

Everyday LifeOne small aha

Your new ahaPlumbing trap

Plumbing trap: Holds a water seal. Source: Trap (plumbing) ↗

Keep the thread going

One answer is a beginning.

Share a little curiosity, or follow it into the full collection.

13This alarm senses smoke particles to give an early warning of fire.IDENTIFY
Smoke detector
Smoke detectors use sensing chambers to warn occupants when smoke reaches a detectable level.
Open this card ↗
14This protective device opens an electrical circuit when the current becomes unsafe.RECALL
Circuit breaker
A circuit breaker opens an electrical circuit when current becomes unsafe, helping protect wiring.
Open this card ↗
15This electrical safety component is designed to melt when current exceeds its rating.RECALL
Fuse
An electrical fuse contains a part designed to melt when current exceeds its safe rating.
Open this card ↗