Related to Flashing Arrow Sign Unit

Flashing sign means a sign in which a symbol, figure, message or illustration intermittently appears and/or disappears and/or illuminated with varying colour or intensity.
Design torso angle means the angle measures between a vertical line through the "R" point and the torso line in a position which corresponds to the design position of the seat-back established by the vehicle manufacturer;
Tight-fitting facepiece means a respiratory inlet covering that forms a complete seal with the face.
Loose-fitting facepiece means a respiratory inlet covering that is designed to form a partial seal with the face.
Sign face means the surface of a sign including the border or frame together with any material forming an integral part of the background used to differentiate the sign from the backdrop or building on which it is erected. Where a sign is composed of individually installed letters, numerals or shapes, the sign face shall mean the area of the smallest polygon containing a maximum of eight (8) right angle sides that enclose all of the letters, numerals or shapes; (0438-2003, 0203-2017)

Flashing Arrow Sign Unit definition