Most Electric Toasters not only grill slices of bread, they also pop them up when ready.While the slice rest on a spring loaded rack, electric heating elements toast the bread.At the same time a bimetallic strip heats and expands more quickly we experienced it very well the other, causing the strip to curve . As it bends, it completes an electrical circuit .And it saving the current very well. The spring that holds the rock down in the toaster the element switch off and slices pop up so lostly we said that Prestige PGMFB 800 Sandwich maker is nice machine