sluice gate water channel
Palabras clave
water,
gate,
sluice,
grooved,
engineering,
canal,
river,
control,
day,
old,
irrigation,
lock,
dam,
gateway,
industrial,
transportation,
environment,
building,
industry,
flow,
construction,
picture,
farming,
image,
prince,
right,
civil,
ration,
channeling,
concrete,
waterway,
mechanical,
piedmont,
italy,
tessin,
european