My containers always seem to have microwave burn marks on them or disappear. (outnumbered3-1.com)
There were black burn marks up the walls all over, probably because the «residents» were burning stuff to stay warm since there was no heat. (realtormag.realtor.org)
Until then, let's make something that doesn't involve a dozen burn marks up my arms from the oven racks. (doughingrogue.com)