Water level meter located in the water of the dam. Concepts for natural resources. Water level gauges in the background is the reservoir of water
Schlüsselwörter
level,
meter,
depth,
water,
dam,
day,
deep,
detail,
device,
down,
drought,
ecology,
environment,
environmental,
flood,
gauge,
green,
high,
indicator,
irrigation,
lake,
line,
low,
mark,
marker,
measure,
measurement,
monitor,
nature,
number,
outside,
pole,
river,
ruler,
scale,
shortage,
staff,
tall,
vertical,
surface,
eco,
flood damage,
instrument,
ocean,
sea,
pollution
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