Ghiaia drenante
Peripheral drainage
Periphere Drainage
Drenaggio periferico
Perifere afwatering
Peripheral drainage
Drenaje periférico
Drain périphérique
Periphere drainage
Drenaggio periferico
grind voor drainage
Perifere afwatering
Drenagem periférica
Fig. 39 / Abb. 39 / Afb. 39
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-
Fig. 40 / Abb. 40 / Afb. 40
Fig. 41 / Abb. 41 / Afb. 41
65