It has nothing to do with air pressure. Refrigerators made before about 1958 (and iceboxes before that) have a mechanically latching handle that can only be opened from the outside to keep the gasket sealed air-tight. Over a period of several decades, hundreds of children in the US died in them...
It has nothing to do with air pressure. Refrigerators made before about 1958 (and iceboxes before that) have a mechanically latching handle that can only be opened from the outside to keep the gasket sealed air-tight. Over a period of several decades, hundreds of children in the US died in them...