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[lemma=on] □ □
[lemma=on] □?
In Europe each participant was asked to complete a short survey on the usefulness of the online training tools in helping them navigate the system . A product is not reasonably safe as designed , if , at the time of manufacture , the likelihood that the product would cause the claimant 's harm or similar harms , and the seriousness of those harms , outweighed the burden on the manufacturer to design a product that would have prevented those harms and the adverse effect that an alternative design that was practical and feasible would have on the usefulness of the product . There is considerable debate on the usefulness of the concept " gender " in China ( " shehui-xingbie " or literally " social sex " ) . While these activities fall under the general production boundary , they are excluded in the compilation of the national accounts due to the relative isolation and independence of the activities from markets ; the extreme difficulty of making economically meaningful estimates of their values , and the adverse effects it would have on the usefulness of the accounts for policy purposes and the analysis of markets and market disequilibria . Depending on the usefulness of the results , the visitor can rate the guide 's performance as " bad , " " OK , " or " great .