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These findings strongly support the use ofVR integrated training in the welding industry.

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Restoring Taihu, China's third largest freshwater lake, to a healthy state will be a challenge akin to ongoing efforts to bring polluted Lake Erie back from the near-dead.

With scores of dams planned, scientists debate measures to soften the impact.

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We conducted two studies that investigated display characteristics related to color (hue, saturation, brightness, and transparency) and contrast with a background for displaying information qualifiers (termed meta-information) such as uncertainty, age, and source quality. Level of detail (or granularity) of the meta-information and task demands were also manipulated. Participants were asked to rank and rate colored regions overlaid on different map backgrounds based on the level of meta-information the regions displayed. Results from Study 1 indicated that participants could appropriately rank and rate levels of meta-information across saturation, brightness, and transparency conditions, and results from Study 1 and Study 2 showed that the natural direction of ordering is complex and dependent on the relevance of different information to the task and the contrast of the overlay region with the background.