All three membranes are in place.
The membrane will be sandwiched
between a felt-lined metal lath
attached to its interior surface, and pleated wire panels attached to its exterior surface.
|
|
|
|
All three membranes are in place. |
|
|
The membrane will be sandwiched between a felt-lined metal lath attached to its interior surface, and pleated wire panels attached to its exterior surface. |
|
  |