A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
V |
W | X-Z
Umbrella tube
umbrella
tubeAnother name for
canopy tube, a
supportive structure made of multiple tubes
bored around the
drilling face of a tunnel, which are then filled with cement.
Underground
Adjective which refers to a location beneath natural (or man made
if landscaping has taken place) ground level, as opposed to being
at ground level or above ground.
If you think we have omitted a term, email us at
tunnels.webmaster@mottmac.com
