What does the builder mean by "three lines"

By "doing the third line", the construction workers mean Mo Dou, bricklayer and handyman.

I. Mo Dou

Mo Dou consists of four parts: ink bin, thread wheel, ink line and ink stick, which is a very common tool in traditional woodworking industry in China.

Second, bricklayers

Bricklayers refer to bricklayers, bricklayers and other construction workers.

Third, what kind of work?

A job of interior decoration, mainly responsible for the construction of cement bricks and tiles, mainly including building masonry, partition wall masonry, tile paving, cement mortar plastering, ground leveling, tile paving, etc.

Extended data:

Three inspections mentioned by the construction personnel:

Construction projects should establish a system of self-inspection, mutual inspection and special inspection.

I. Self-examination

During the construction process, the operator shall conduct self-inspection and rectification at any time according to the requirements of construction technical disclosure and relevant specifications;

Second, mutual inspection.

Workers operating in the same shift shall, in the course of operation, carry out quality inspection and rectification on others at any time according to the requirements of technical disclosure and relevant specifications, and the inspection organization shall be led by the team leader;

Third, special inspection.

After the completion of the construction team in the previous procedure, the project engineer will organize the construction team that continues to work in the next procedure to conduct handover acceptance.

Baidu Encyclopedia-Mo Dou (a common tool in traditional woodworking industry in China)

Baidu encyclopedia-bricklayer

Baidu encyclopedia-construction workers

Baidu Encyclopedia-Three Inspection Systems