How to use "casting" in a sentence

To our sister republics south of our border, we offer a special pledge - to convert our good words into good deeds - in a new alliance for progress - to assist free men and free governments in casting off the chains of poverty

Tall lampposts were arrayed across this featureless plain, casting dim, reddish light that was severely directed downward to attract as little attention as possible from aircraft that strayed out of the usual flight patterns and from anyone backpacking elsewhere in these remote mountains