It was necessary to adopt the technical approach and adequate assurances to secure UNESCO with all necessary elements to include this large and complex site in the List.

UNESCO: World Water Assessment Programme (WWAP)

The lathe, which is essential to make many of the more complex tools on the Forbes list, is a mechanism for rotating work to be shaped with a knife.

FORBES: Magazine Article

Each party will provide a numbered list of candidates and a complex formula will determine how many candidates are elected.

ECONOMIST: Britain and Europe