"maintenance of drainage" — Collocation dictionary inglés

Automatic translation (We do not guarantee its correctness): utrzymanie osuszania
  1. drainage sustantivo + maintenance sustantivo
    normal collocation

    Other expenditures, such as maintenance of animal enclosures, feed for animals, animal health care, maintenance of zoo, drainage, water, electricity and maintenance of battery-operated vehicles, are met from the income generated by the zoo, chiefly by means of the entry fee.