en_tn/job/28/05.md

out of which bread comes

AT: "where food is produced," (See: rc://en/ta/man/translate/figs-synecdoche)

it is turned up below as if by fire.

AT: "but below the earth it looks like everything has been heated by fire and crushed"

it is turned ... its stones ... its dust

The word "it" refers to the "earth".

sapphires

This word refers to a type of rare and expensive blue gem stone.