DescriptionGantry 3 (PSF).png English: Left : a movable structure with platforms at different levels used for erecting and servicing rockets before launching...
Foundation Author Pearson Scott Foresman Permission (Reusing this file) Other versions Gantry - Rocketry (PSF).png Gantry 3 (PSF).png Gantry crane (PSF).png...
Foundation Author Pearson Scott Foresman Permission (Reusing this file) Other versions Gantry - Rocketry (PSF).png Gantry 3 (PSF).png Gantry crane (PSF).png...
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