References in periodicals archive ?
It experienced a black foamy slag (carbon) in the melt that boiled up and bridged the furnace.
Usually you tried to get a comfortable spot near running water, out of the wind; a place where you could sit down or stretch out in comfort and relax while you boiled up, and maybe doze off for a while.
I think all the frustrations boiled up inside Gary until he could hold them in no longer," said a teammate.