Melting is not literally the correct word in terms of the cans themselves, but the author mentions them hissing.
Presumably the cans would be boiling, hissing and frothing juice out of the seams, which would be expanding and worsening rather rapidly, creating a heated can of juice boiling over and basically appearing to be melting, covered in liquid and froth, even though the cans themselves are not literally melting.
They might have actually exploded though, at least the better sealed ones, at some point.
ZE JUIZ BURST IN THE OVEN WHY WHY ARE THEY THERE
Hopefully this (ancient) OP did not explode any juice.
Melting is not literally the correct word in terms of the cans themselves, but the author mentions them hissing.
Presumably the cans would be boiling, hissing and frothing juice out of the seams, which would be expanding and worsening rather rapidly, creating a heated can of juice boiling over and basically appearing to be melting, covered in liquid and froth, even though the cans themselves are not literally melting.
They might have actually exploded though, at least the better sealed ones, at some point.
ZE JUIZ BURST IN THE OVEN WHY WHY ARE THEY THERE
Hopefully this (ancient) OP did not explode any juice.