1)
Why did he say "v'Imecha la'Rov Osei ha'Melachah"?
1.
Malbim: I prepared the physical building materials, and also the workers.
2)
What are "Chotzevim v'Charashei Even"?
1.
Malbim: Chotzevim quarry rocks from the mountain. Charashim cut them to size.
