Lesson 1. Technical Drawing and Standardization.
To know all about draw in Technology we use some links to web page whose are interesting and useful in the learning. They are below:

Vocabulary for the lesson 1. Technical Drawing.

A good text to introduce us into technical drawing´s world is below. Read it and then you will be able to understand the technical drawing history.
Technical Drawing

Technical Drawing

And a woorksheet for technical drawing instruments is the next:

This summary is in Spanish, but you can read all that you don´t understand in English, and then you have to work with concepts rightly.