וַיִּקַּ֞ח וַיִּתֵּ֤ן אֶת־הָעֵדֻת֙ אֶל־הָ֣אָרֹ֔ן וַיָּ֥שֶׂם אֶת־הַבַּדִּ֖ים עַל־הָאָרֹ֑ן וַיִּתֵּ֧ן אֶת־הַכַּפֹּ֛רֶת עַל־הָאָרֹ֖ן מִלְמָֽעְלָה׃
And he took and put the testimony into the ark, and set the staves on the ark, and put the ark-cover above upon the ark.
Read midrashic interpretation of Exodus 40:20: and classical rabbinic exegesis.