The minimum and maximum diameters of sewers shall preferably be

- 1
  
  15 cm and 100 cm
- 2
  
  15 cm and 300 cm
- 3
  
  30 cm and 450 cm
- 4
  
  60 cm and 300 cm

Display Comments

Leave a comment

Login at first then you can submit comment. Click here to login.