Magbigay ng limang dahilan upang bilhin ng mamimili ang“maliwanag ilaw"​

Which relational dialectic is causing tension in the following scenario? greg and anna work together. they're good friends and talk a lot. but anna doesn't feel comfortable telling greg about her problems with her boyfriend. she's frustrated that he keeps asking her about them. autonomy-connection novelty-predictability openness-privacy

But we pulled at the grill [on the ground] and it gave way. and then we saw iron rings as steps leading down a shaft into a darkness without bottom. … it was a great tunnel. its walls were hard and smooth to the touch; it felt like stone, but it was not stone. on the ground there were long thin tracks of iron, but it was not iron; it felt smooth and cold as glass. we knelt, and we crawled forward, our hand groping along the iron line to see where it would lead. but there was an unbroken night ahead. what is the most likely explanation for the walls described in the bold text?

Asl may be used regularly in which field?