What are the three lines of Bailuyuan?

The three lines of Bailuyuan are plasterer, carpenter and painter. First, the masons.

The plasterer is a popular name for folk builders, that is, a bricklayer who knows how to lay bricks. In the construction of all cities and villages, there are a group of people who basically work by experience and technology. They often deal with cement. Building floors, roads, leveling the ground, etc. It's the work of a plasterer. This type of work is a fine division of labor, relative to carpentry, bricklaying, steel reinforcement and so on.

Second, carpentry.

Woodworking is a craft, a unique technology and a common technology in architecture. It is one of the three traditional industries in China (namely, carpentry, wood industry and carpentry). In today's society, "woodworking" has a wide range of professional applications. For example, in the field of housing construction, shipbuilding, landscaping construction, and now the most common decoration field.

Third, the painter.

Painter is one of the professional jobs in civil engineering, which refers to professionals who use hand tools or machines to brush or spray paint on the surfaces of buildings, doors and windows, as well as paste finishes and cut glass. For painters, the painter's norms and related standards have also been formulated.

Lu Ban (507 BC-444 BC), a famous craftsman in the Spring and Autumn Period, was a native of the State of Lu, surnamed Ji, an aristocratic family, and Ming Ban. He was honored as a master craftsman in China by later generations. Born into a family of artisans for generations, I have participated in many civil engineering jobs with my family since childhood and gradually mastered the skills of productive labor.