Observed risk awareness in user centred design
Freija van Duijne, Heimrich Kanis, Andrew Hale, & Bill Green, Delft University of Technology
Extra to paper in D. de Waard, K.A. Brookhuis, R. van Egmond, and Th. Boersema (Eds.) (2005), Human Factors in Design, Safety, and Management (pp. 157 – 172). Maastricht, the Netherlands: Shaker Publishing.
Gas Lamps
Figure 1. Three types of gas lamps that feature different mechanisms by which a gas container is fixed in the casing.
Figure 2. A screw thread separates the two parts of the casing of this gas lamp.
Figure 3. A casing that needs to be «clicked» by a so-called click-finger
Figure 4. The cartridge gets pierced when assembling the lamp unit.
Figure 5. Arrows point to the direction in which to exert force and words («open», «close») indicated the mode of operation of the product.