1)
?Kesef Mikshah?. What if they would have made the trumpets out of pieces of silver?
1.
Menachos, 28a: They would have been Kasher? despite the fact that the Torah wrote ?Mikshah ? Vehayu? ? since, in connection wih the Menorah, in 8:2, the Torah wrote ?Kishah hi?, implying that the Menorah must be beaten out of one piece, but not the trumpets.