1) Turkish boy name 
The SEFA is a make of backpack industrial breathing set formerly made by Sabre Safety. It is an oxygen rebreather. `SEFA` is an acronym for `Selected Elevated Flow Apparatus`. It is in a shiny backpack stainless steel sheet casing with rounded corners and edges, 16 inches wide, 21½ inches high, 6½ inches front to back. It has two wide corrug...