STAIR “Considered dangerous - and possibly endangered, only still in existence in order to fulfils the requirements of having an exit strategy... though the stair may be making something of a comeback as an aid to fitness and an energy-saving alternative to the elevator.” ADDED ATTRIBUTES If stairs are indeed ‘making a comeback’ but ‘considered dangerous’ then sensors relating to movement and proximity are most likely to occur. They could also be used to monitor the movement of people in an emergency.

STAIR “Considered dangerous – and possibly endangered, only still in existence in order to fulfils the requirements of having an exit strategy… though the stair may be making something of a comeback as an aid to fitness and an energy-saving alternative to the elevator.” ADDED ATTRIBUTES If stairs are indeed ‘making a comeback’ but ‘considered dangerous’ then sensors relating to movement and proximity are most likely to occur. They could also be used to monitor the movement of people in an emergency.