វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
ធ្នស់
នាម
1.
Barrier
used
to
keep
fish
from
swimming
into
certain
areas
and to
funnel
them
into
a
selected
spot
where
they
may
be
caught
.