Fire receiver

摘要

A fire receiver including: a base having a frame for window indication; a rectangular window sheet to which the names of the sections are written and which is fitted into the frame of the base; and a substantially transparent protective sheet which is substantially of the same configuration as the window sheet and arranged in front of it and has at its longitudinal ends rectangular engagement members to be engaged with engagement grooves of the frame and at its centre a central rectangular engagement member to be engaged with a central engagement groove of the frame.