# As for the bronze pillars ... Yahweh, the Chaldeans

"This is what happened to the bronze pillars ... Yahweh: the Chaldeans"

# the stands

"the moveable bronze stands" or "the bronze stands with wheels". The stands with bronze wheels and axles. 

# the bronze sea

"the large bronze basin"

# broke them into pieces

"cut them into pieces" or "chopped them up into small pieces"