1)
What is the meaning of "v'Es Kol asher Ye'aseh bahem"?
1.
Rashi (citing Targum Onkelos): It means " ... and all that was handed over to the Bnei Gershon".
2.
Ramban: It means " ... and all the many tools that were manufactured for use in the Mishkan and the Chatzer.
2)
What are the connotations of "v'Avadu"?
1.
Seforno: It refers to the small implements that were required to arrange the above-mentioned Kelim, such as tweezers and hammers, to hammer the pegs in place and to remove the pegs.