[Tagging] Feature Proposal - RFC - sluice_gate

[John Smith]

On 3 January 2011 21:55, M∡rtin Koppenhoefer <dieterdreist at gmail.com> wrote:
> IMHO the difference is that a weir is used to control the water level
> (and sometimes used to produce energy) while a sluice gate is used for
> ships to navigate in rivers/canals with different levels (it is part
> of "steps for ships").

Depends on the type of gates as to the use, doesn't it?