chemicals with both labelling systems / Basic chemicals / saline solution / suitable protective equipment / accident insurance / use chemicals / dust/fume/gas/mist/vapours/spray / chemical management / chemical hazards / protective equipment / basic chemical / wireless network / all-round chemical gloves / main gas valve / chemical experiments / return chemicals / allergenic chemicals / use glass equipment / energy / HIV treatment / metal / parallel labelling systems / unknown chemicals / biological agent management / chemical hazard labels / chemical absorption / taste chemicals / chemical gloves / particular chemical right / chemical / stipulated protective equipment / personal protective equipment / insurance provisions / chemicals / chlorhexidine solution / chemical spills / /