sanitary drainages meaning

• [Medicine]
  A system of artificial or natural drains,generally used for the disposal of liquid wastes.

• sanitary:    Adjective: sanitar ...
• suction drainages:    [Medicine]The remo ...
• postural respiratory drainages:    [Medicine]Therapeu ...

Examples

1. plastic fittings for connecting water closets to the sanitary drainage system
2. ships and marine technology-drainage systems on ships and marine structures-sanitary drainage-system design
3. ships and marine technology-drainage systems on ships and marine structures-sanitary drainage, sewage disposal pipes
4. ships and marine technology-drainage systems on ships and marine structures-part 1 : sanitary drainage systems design
5. ships and marine technology-drainage systems on ships and marine structures-part 4 : sanitary drainage, sewage disposal pipes