What is the meaning of " ... asher al ha'Mishkan ve'al ha'Mizbe'ach Saviv"?
Rashi: It means that the curtains and the screen of the Chatzer covered and protected the Mishkan 1 and the Mizbe'ach which they surrounded.
See Sifsei Chachamim, note 7.
What is the meaning of "ve'es Kol asher Ye'aseh bahem"?
Rashi (citing Targum Onkelos): It means " ... and all that was handed over to the B'nei Gershon".
Ramban: It means " ... and all the many tools that were manufactured for use in the Mishkan and the Chatzer.
What are the connotations of "ve'Avadu"?
Seforno: It refers to the small implements that were required to arrange the above-mentioned Keilim, such as and hammers to hammer the pegs in place and tongs to remove them. 1
Oznayim la'Torah (citing the Radal): It is referring to any repairs that needed to be made to the curtains, should they tear. 2