Galvanized wire mesh has frame and acts as face protection on fire brigade helmet, frame having three round and two elliptical apertures

摘要

The galvanized wire mesh (B) has a frame (A) and acts as a face protection on a fire brigade helmet. The frame has three round (C) and two elliptical (D) apertures, which make possible the application of a customary folding visor retainer for fire brigade helmets.