The Dumpy Level App is an engineering app in the iPad that is used to check for the presence of any depression or elevation in the surface level. In this app, there are three buttons namely, Bubble, Degrees and Lock. You can lock or unlock the position by simply tapping on the Lock button.
Features
• Ability to lock or unlock the current position.
• Checks the surface level in a simple and easy manner.
• Available for iPhone and iPad.
Draw UML for iPad 
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