Bel boweth down, Nebo stoopeth, their idols were upon the beasts, and upon the cattle: your carriages were heavy loaden; they are a burden to the weary beast. Their carriages were heavy loaden "Their burdens are heavy" - For נשאתיכם nesuotheychem, your burdens, the Septuagint had in their copy נשאתיהם nesuotheyhem, their burdens.
Related Commentaries of Isaiah 46:1
Isaiah 46:1
1 Bel boweth down, Nebo stoopeth, their idols were upon the beasts, and upon the cattle: your carriages were heavy loaden; they are a burden to the weary beast.