13.-0416. Development of well.

Watsan matters
13.-0415. Detergent.
13.-0414. Detergence.
13.-0413. Detention time.
13.-0412. Detention storage.
13.-0411. Desorption.
13.-0410. Desludging.
13.-0409. Desilting.
13.-0408. Design life.
13.-0407. Desertification.
13.-0406. Desalination.
13.-0405. Depression.
13.-0404. Deposit.
13.-0403. Depletion.
13.-0402. Dependency ratio.
13.-0401. Dependability.
13.-0400. Deoxyribonucleic acid - ( DNA ).
13.-0399. Density.
13.-0398. Denitrifying ammonium oxidation - ( DEAMOX ).
13.-0397. Denitrification.
13.-0396. Demand.
13.-0395. Demand-responsive approach.
13.-0394. Demand creation.
13.-0393. Demand assessment.
13.-0392. Delta.
13.-0391. Dehydration.
13.-0390. Dehydration vaults.
13.-0389. Dehydrated faeces.
13.-0388. Definition of boundaries.
13.-0387. Defecation.