To make or manufacture from components or raw materials.

A framework of two poles with a long piece of canvas slung between them, used for carrying sick, injured, or dead people.

Continuous physical force exerted on or against an object by something in contact with it.

The act or process of closing something, especially an institution, thoroughfare, or frontier, or of being closed.

A person who is among the first to explore or settle a new country or area.

To come to live permanently in a foreign country.

To move from one region or habitat to another, typically in search of food or breeding grounds.

Relating to or involving algebra.

The process of making known one's thoughts or feelings.

A pair of round brackets used to mark off explanatory or qualifying remarks in writing or printing.

Reconsider and alter (something) in the light of further evidence.

With caution, prudence, or precision.

Experts in one or more branches of science.

On the inner side or part of; within.

A circular object that revolves on an axle and forms part of a machine.