9 Protective apparatus or devices wearable to cover hands, face, nose or mouth, namely, protective masks, not for medical purposes; respiratory masks, other than for artificial respiration; filters for respiratory masks; dust masks incorporating air purification; divers' masks; goggles for sports; gloves for protection against accidents; gloves for divers; head guards for sports; headgear being protective helmets; workmen's protective face-shields; cases and containers for masks and gloves