1)
From where did David get the iron and copper?
1.
Malbim: They quarried it. It says about Eretz Yisrael "Asher Aveneha Varzel ume'Harareha Tachtzov Nechoshes" (Devarim 8:9).
2)
What are "Mismerim"?
1.
'Rashi': They are nails.
3)
What are "Mechaberos"?
1.
'Rashi': They are used to join and strengthen doors and gates.
2.
Radak: They join boards to boards via nails.
3.
Gra: They are what are joined to doors and gates.
4.
Malbim: They are woods that join the building (Divrei ha'Yamim II, 34:11). Iron nails strengthen the woods.
