एक सीढ़ी की आवश्यकता है कि एक परियोजना के लिए सुरक्षित विकल्प बनाओ.
This tutorial teaches you how to select the correct ladder style, size, and material by taking you through a specific project scenario. You will learn how to safely select, set up, and climb the ladder through a series of interactive choices with a character named John.नवीनतम संस्करण
1.0.0
द्वारा डाली गई
Yousef Khalid
Android ज़रूरी है
Android 2.2+
श्रेणी
रिपोर्ट
Last updated on Oct 16, 2015
Minor bug fixes and improvements. Install or update to the newest version to check it out!
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Ladder Safety
1.0.0 by Oregon DCBS
Oct 16, 2015