| Subject | English | Arabic |
| water.res. | cross draining | الصرف المتقاطع |
| environ. | dam draining The drawing of water from a reservoir by means of draining pipes located at the bottom of the basin and controlled by a system of sluices which ensure, if necessary, the emptying of the basin in a given period of time in respect of downstream conditions | تفريغ مياه السد |
| water.res. | draining and drying | الصرف البزل والتجفيف |
| water.res. | draining scheme | مشروع صرف |
| water.res. | draining scheme | نظام الصرف |
| cables | mass-impregnated non-draining insulation | عزل كتلى مشبع بدون تصريف |
| water.res. | mole draining | الصرف النفقي أو السردابي أو الخلدي |
| water.res. | open ditch draining | الصرف بالخنادق المفتوحة |
| water.res. | transversal draining | الصرف المتقاطع |