Give an example of a construction project in which prefabricated materials were used.
What will be an ideal response?
Structures such as tunnels can include prefabricated materials. Underwater tunneling, for example, uses huge steel tubes prefabricated in a factory and transported to their destination above the fl oor of the waterway. The tubes are transported by barge and sunk into the proper position.
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El mismo procedimiento básico que se utiliza para fabricar una unión en T se utiliza para ____.
a. un gajo b. un bisel c. una válvula con brida d. un reductor
Cuando se instala una puerta premontada, ¿qué se debe hacer con las cuñas de separación que vienen colocadas de fábrica entre la puerta y el marco?
a. Dejarlas en su lugar en forma permanente. b. Retirarlas una vez que se ha colocado la puerta en la abertura. c. Retirarlas antes de comenzar la instalación. d. Retirarlas cuando se ha colocado la puerta, pero antes de que se la fije a la abertura.
The original purpose of the Grange was to
A. get involved in politics. B. support an inflationary monetary policy. C. stimulate self-improvement through educational and social activities. D. improve the farmers' collective plight. E. support the Homestead law.
In the accompanying figure, what is the purpose of the jog function?
What will be an ideal response?