Placing a tablet on the lap created the greatest strain, the researchers found, because it forces the user to look down at a steep angle, causing head and neck flexion - a particular hazard for users who are doing a lot of typing.
They say the units could overheat and ignite a fire hazard for users.
This is not only a hazard for users, but also can contribute to the "heat island effect," in which cities become hotter than surrounding areas because of heat absorbed by dark man-made surfaces such as roofs and asphalt.
The limiting factor for water reuse can in many circumstances be the quality of the water available linked to the treatment processes (technology) and potential hazards for secondary users.
A suggestion was made by participants to replace the indicative phenomena columns with more useful information (such as a description of hazards) for end-users, to assist them with response decision-making.
Despite volcanic ash not being a high-temperature phenomenon, the associations of "hot" volcanoes with the red map (Figure 12A) suggests that using warm colour schemes may make volcanic hazard maps distinguishable for users who frequently encounter hazard and risk maps for other phenomena.
Hence, there are more potential hazards for casual OSN users and more aspects that might be interesting for researchers in this area.
Information on the possible hazards for the AIMD users is also important for every patient and their attendants visiting health care centres, where SWDs are in use.
In the EU directive 2013/35/EU it is advised the individual analysis of EMF hazards for each AIMD user because of many factors influencing the results of EMF exposure, like the type and model of AIMD, the settings of its operation, the duration and spatial distribution of exposure of the user, and so forth.
The drawings also suggest Braille, though in this case with an obvious hazard for the user.
