| A | B |
|---|
| Measurement | How much there is or how many there are of something |
| Hand Tool | A device held in and powered by the hand |
| Power Tool | A device powered by a motor |
| Residential | Of or related to a home or place you live |
| Commercial | Of or related to a business or work |
| Natural Materials | Something derived from the environment. Many of them are essential for our survival while others are used for satisfying our wants |
| Synthetic Materials | Substances or products made by chemical synthesis |
| Instrument of Measure | Tools used for determining how much there is or how many there are of something |
| Prototype | Working model, usually conceived early and used to test and evaluate performance |
| Model | A smaller 3 D version, which is faster and cheaper to develop and allows the design to be evaluated |
| Criteria | rules you must play by |
| Constraints | The limits and limits ; what you can and can’t do |
| Design | A creative process that leads to useful products |
| Troubleshooting | process of figuring out what is wrong. It can tell you what is broken or what may need to be redesigned |
| Performance Monitoring | checks to see that the product is doing what it’s supposed to over the life of the product |
