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Others have articulated joints attaching them to the logging tool, with a backup arm to press the pad against the borehole wall.

另有一些极板需要使用连接装置才能和下井仪器相连，测井时需要使用推靠臂才能紧贴井壁。

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The tool consists of a Combined Inclination Azimuth Multi-function Logging Tool and a MSC 36-Arm Caliper Imaging Logging Tool.

该仪器由组合式井斜方位多功能测井仪和MSC-36多臂井径成像测井仪组合而成。

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Brushing the surface of rocks with Curiosity's dust removal tool first enables the arm-held hand lens camera and X-ray spectrometer, in particular, to see features that might otherwise be obstructed.

BBC: Curiosity Mars rover deploys its rock brush

To speed rescue efforts, engineers at Sandia National Laboratories have developed a robot that would eliminate some of the unknowns of mine rescue operations and arm first responders with the most valuable tool: information.

ENGADGET: Gemini-Scout robot can scope out mining accidents, may save lives (video)

The large robotic arm, which is connected to a laser cutting tool, can be manoeuvred around tight spaces in hazardous environments.

BBC: OC Robotics' LaserSnake project gets ?6m grant