Replies

To: bert

The use to seal tunnels is a brilliant use of materials

Isn't it temporary, can be drilled thru?

25 posted on 11/14/2023 12:36:33 PM PST by 1Old Pro

To: 1Old Pro

Yes, It can be removed with some effort. However taking it out of vertical shafts from below it going to be quite a task

29 posted on 11/14/2023 12:41:14 PM PST by bert ( (KWE. NP. N.C. +12) Joe Biden is a kleptocrat)

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