including better technologies for communication between co- workers, coverage of moving parts, safer 
company cars, for example, safety belts, safer tools , for example, for drilling or cutting; improved PPE 
like air -supplied breathing apparatus, steel -made gloves for meat w orkers, trousers that resist a 
chainsaw; minimum requirements for buildings, for example, forms and size of stairs and handrails, fire 
exits and fire alarms, safer ladders and scaffolds , 126  emergency equipment like eye wash and 
emergency shower; better monitoring of acute hazards, for example, in sewage water systems, exhaust 
and ventilation technologies, to avoid fumes, dusts, chemicals or contact with hazardous biological 
agents; strong safety obligations for work in confined spaces, work at height and wor k in trenches; 
introduction of explosion zones and of non-sparking tools, a comprehensive system of warning signals, 
warning signals for slippery floors and unsafe grounds, better warning systems and equipment in