Assembly requires 2 people and takes about 1 hour.

Yet a barn was also a large and costly structure, the assembly of which required more labor than a typical family could provide.

The box of a 500-piece puzzle reads: "Some assembly required."

Other assemblies require 10% of the community to achieve the required quorum.

Still, the assembly of the human genome will require a computer calculation of considerable size.

Proper assembly generally requires some skill and practice, as well as precision.

Assembly of modules might require more effort and/or time due to the increased inter-module dependency.

Assembly of the toys requires no additional tools, as the pieces will simply lock ("snap") together.

For those who cringe at the words "some assembly required", Shuttle also sells a pre-assembled version.

Complete assembly of each 777-300ER requires 49 days.