Read Exodus 30:8 Using Other Translations
And when Aaron lighteth the lamps at even, he shall burn incense upon it, a perpetual incense before the LORD throughout your generations.
and when Aaron sets up the lamps at twilight, he shall burn it, a regular incense offering before the LORD throughout your generations.
And each evening when he lights the lamps, he must again burn incense in the LORD ’s presence. This must be done from generation to generation.