expanded metal उदाहरण वाक्य

उदाहरण वाक्य

1. The inner German border was marked in rural areas by double fences made of steel mesh ( expanded metal ) with sharp edges, while near urban areas a high concrete barrier similar to the Berlin Wall was built.
2. Expanded metal is often used for architectural details and finds use in security applications such as in the walls of a Sensitive Compartmented Information Facility because, in heavier grades, it is difficult to breach without heavy cutting equipment or explosives.