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Victor's Journal
Unit 3 Lesson 3
| Term | Definition |
|---|---|
| blueprints | papers that show the plan for building something |
| cement | a powder made by burning a mixture of limestone and clay |
| lever | a rod or bar attached to a machine, used to work or control it |
| frame | the skeleton of a building |
| insulated | covered to slow or stop the flow of electricity, heat, or sound |