Kalkulesen bilong 'blind area' klostu long haus.

Kalkulesen bilong hamas samting bilong aipas eria

P - Raun bilong haus.
W - Bikpela bilong hap we i no klia.
U - Namba bilong ol kona ausait long 'blind area'.
G - Namba bilong ol kona insait long 'blind area'.

T - Geotextile.
A - Mesh bilong strongim.
B - Ston bilong pasim rot.
C - Fomwok.
H - Pasin bilong pasim wara.

D - Tikpela bilong ston bilong wokim rot.
E - Tikpela bilong simen.
F - Tiknes bilong insulesen.
M - Tikpela bilong 'gravel bed'.
K - Tikpela bilong wesan kusen.

Ol samting bilong program.

Painimaut bilong eria bilong aipas eria.
Kalkulesen bilong hamas samting ol i nidim long 'blind area'.