Details: water tight manhole 600x400_of2-h-18 , oil tight manhole 600x400_type of2-h-18 , water tight item category/ manhole 600x400_tpe of2-h-10 , water tight manhole 600x400_type ol1-h , oil tight manhole 600x400_type ol1-h , contingency spare- hexagonal nuts
Sector: Defense