This verse is identical with 28.21 with the exceptions of the verbs, which are here translated in the past tense to show the completed action of the Hebrew verbs. (See the comment there.)
Quoted with permission from Osborn, Noel D. and Hatton, Howard A. A Handbook on Exodus. (UBS Helps for Translators). New York: UBS, 1999. For this and other handbooks for translators see here .