air-drying
anhydration
aspiration
bleeding
bloodletting
broaching
cleaning out
clearance
clearing
cupping
defecation
defluxion
dehumidification
dehydration
depletion
desiccation
discharge
discharging cargo
drafting
drain
draining
drawing
drying
drying up
effluence
efflux
effluxion
effusion
egress
elimination
emptying
evacuation
evaporation
excretion
exhalation
exhaust
exhausting
exhaustion
flowoff
gush
insolation
milking
mummification
off-loading
outfall
outflow
outflowing
outpour
outpouring
voidance
canal
circulation
debridement
disposal
erosion
insulation
irrigation
moisture
nutrition
plumb
rainfall
reclamation
repair
reservoir
runoff
sanitation
sewage
sewer
storage
suction
transportation
ventilation