On average, parents spend $4,000 to $6,000 per year on child care for one child, and in some cities the cost is as high as $10,000, notes the Children's Defense Fund in their publication, The High Cost of Child Care Puts Quality Care Out of Reach for Many Families.hat translates into a mean hourly wage for child care teaching staff of only $7.42 per hour in the U.S., and $10.92 per hour in Canada, a fact that makes it difficult for many to remain in the profession, says the Child Care Action Campaign in their Information Guide 27, Wages and Benefits in Child Care.
The Programmers Solid 3D CAD Modeller. OpenSCAD is a software for creating solid 3D CAD models. It is free software and available for Linux/UNIX, Windows and Mac OS X. Unlike most free software for creating 3D models (such as Blender) it does not focus on the artistic aspects of 3D modelling but instead on the CAD aspects.
The Unified Modeling Language (UML) is a graphical language for visualizing, specifying, constructing, and documenting the artifacts of a software-intensive system.