Person washes hands under fast running water, soap pump, paper towel dries hands.
Toilet being flushed and then running
Scrubbing nails and hands clean with nailbrush
Large object dropping in water, metal bowl vibrates
A person defecating into a toilet
Hands washed vigorously running water, tap turned off, paper towel torn and hands dried
Person splashing water in hand basin
Toilet flushed, cistern refills
Plunger plunging a toilet quickly and determined.