On 05/11/2012 21:00, gremlin_95 wrote:
Hi all,

I am trying to remember the name this certain term/item but I just can't
think of it

Basically, it applies in construction when a hole/trench or similar is
dug and metal sheets are placed on the walls of the said hole to stop
the earth caving in?

For military trenches it is called a revetment.

Colin Bignell