Todos los siguientes enuncia- dos sobre las formas de plata- forma de un puente construi- das de paneles de plataforma de metal prefabricado son verdaderos, excepto que _____.
a. funcionan como una pla-
taforma de trabajo
b. sirven de forma desmon-
table de concreto
c. refuerzan la losa de con-
creto
d. dan estabilidad al arma-
zón
Answer: B
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