49909390 Feature of a frontal safety cushion

For each pillow two extents of disclosure depending on force of blow and system of ventilation for prevention of a burn are provided by the gases filling a pillow:
– "the small volume" is the first extent of filling of a pillow;
– "large volume" (the second extent of filling of a pillow) – safety seams of a safety cushion are broken off, and it gets the big sizes (at very strong blows).