Is that fence made out of wrought iron?

a hollow tree; a hollow sphere

The officials used the latest technology to ensure timing down to the nearest millisecond.

[W]e could define a national parliament broadly as a Member State's central representative assembly which elects or at least dismisses the national government, and which holds it to account. This seems to be a robust definition comprising the unicameral parliaments, the lower chambers of the bicameral parliaments and the senates with censure powers in the EU Member States.