They have mechanical ventilation.
Mechanical Ventilation System
must have a mechanical ventilation system (EQ-17)
Inboard gasoline boats built after July 31st, 1980 must have what type of ventilation system?
Mechanical
October 31, 1980, was a Friday.
March 31st 1980 was a Monday.
Yes, on the 31st July.
31st July 1980.
Harry Potter was born on the 31st July, 1980. He shares this date (31st July) with author J.K. Rowling.
January 31st, 1980 fell on a Thursday. The following year, it fell on a Saturday.
May 31st 1980 ----> (he's currently 29 years old)
The 31st of August.The 31st of August.The 31st of August.The 31st of August.The 31st of August.The 31st of August.The 31st of August.The 31st of August.The 31st of August.The 31st of August.The 31st of August.