Understand drawings, which lines represent walls, which lines represent windows, and which shapes represent columns, beams, plates, etc. In the plan, and how to combine the plan and elevation into a whole. This should be imagined in three dimensions. If you can't imagine it, it's hard for you to understand what a building is like. Knowing how to read pictures, the quickest way is to learn from Guanglianda.

For the learning video of Guanglianda, you can download or download G+ from Guanglianda official website, and choose the content you need to learn.

After learning about steel bars and graphic drawing, you need to learn the setting of prices, which is also the most difficult, because you need to be familiar with the quota.

Quota rules and common components explain what the quota includes, such as Guangdong 20 10 quota, building and ground items, excluding three links and one leveling (included in some areas). This is the difference, so you should be familiar with the quota.