Similar to ガス漏れ

Instant rice

Fire protection engineering

Volcanic hazard

Escape chute

Emergency

Aerial firefighting

Road traffic control

Mass grave

Fireman's pole

Tank truck

Gas detector

Earthquake valve

29th century BC

28th century BC

27th century BC

26th century BC

25th century BC

24th century BC

23rd century BC

22nd century BC

20th century BC

19th century BC

17th century BC

16th century BC