A robust control strategy is urgently needed, in order to improve the reliability of PEMFCs and prolong their working lifetime.
Wear and corrosion are the main failure mechanisms of bearings and it is important to prolong their working lifetimes by improving the bearing surface properties.
Ever since this problem was recognized, about a decade ago, economists in Germany have advocated a multipronged approach, one that includes better arrangements for working mothers, policies to encourage the elderly to prolong their working lives, and immigration.
It is a reasonable business decision to invest in these workers since the vacation time will likely prolong their work-life and enhance their productivity.
Instead, appropriate measures are needed to prevent early exit from work and to encourage workers to prolong their working life.
Because of the demographic changes, appropriate measures are needed to prevent early exit from work and to encourage workers to prolong their working life.
It appeared only that younger workers had difficulties in describing factors that would motivate them to prolong their working life, as "it is such a long way off".
Although the majority of the interviewees indicated that they were still motivated to work, that they liked their job and that they (still) were healthy enough to perform their job, they did not intend to prolong their working life.
Workers who lack pleasure at work and are not motivated to prolong their working life, probably confirm the negative image of some employers about older workers, i.e. lower productivity and "waiting out one's time".
