English flagItalian flagKorean flagPortuguese flagGerman flagFrench flagSpanish flagJapanese flagArabic flagRussian flagGreek flagDutch flagBulgarian flagCzech flagCroat flagDanish flagFinnish flagHindi flagPolish flagRumanian flagSwedish flagNorwegian flagCatalan flagFilipino flagHebrew flagIndonesian flagLatvian flagLithuanian flagSerbian flagSlovak flagSlovenian flagUkrainian flagVietnamese flag
By N2H

Underground excavation

d

38-44 mm

1 1 / 2 "-1 3 / 4"

L

30-60 cm

1'-2 '

D

Ditunjukkan dalam Gambar

d

38-51 mm

1 1 / 2 "-2 '

L

60-90 cm

2'-3 '

D

90% dari Tinggi