The sharp smell of molten metal rose in the air.
The Earth's outer core is a sea of molten metal.
They are small enough to let the air escape but not the molten metal.
He must have actually sat for a while in a pool of molten metal.
The molten metal takes the place of the wax when cast.
It felt as if the blood in my hand had been replaced with molten metal.
It was as if someone had poured hot, molten metal into his body.
After a few minutes this object began dripping something that looked like molten metal.
His hands and arms felt as if he'd thrust them into molten metal.
Nice touch of color, the molten metal spraying through space.