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Surely many people still wonder what is the size of the ban hole? How to use and look up this ruler? Today lassho.edu.vn will answer questions about this type of hole ruler for you!
What size is the hole?
The hole ban ruler is a ruler used in the construction of Duong Trach (house) and Am Trach (grave part) . On this type of ruler, there is a normal size division corresponding to the corresponding good and bad arcs in the hole ruler to help users know which size should be used, which size should be avoided.
On all types of rulers, the principle is the same: The ruler is divided into large arcs (good or bad). Within each of these major signs are further divided into sub-signs that show good or bad details about something. The red color on the ruler indicates the good signs to use, the black color indicates the bad signs that should be avoided.
Origin of the ruler
Eastern people have a belief that, when building a house, everyone wants to choose a beautiful standard size for the house to match feng shui in order to have good luck and bring fortune to the owner.
Understanding this sentiment of people, a famous carpenter of Lu (now Shandong province) who lived in the Spring and Autumn period (770-476 BC) created a ruler marked with milestones. good – bad size for convenience in measuring.
And since then, this ruler was taken after the carpenter’s own name, “Lo Ban”. So this ruler is called the ban hole ruler.
Popular types of hole rulers
There are 3 types of hole rulers commonly used today:
- 52.2cm hole size ruler : Used to measure hollow blocks, clear spaces, also known as “light”, “inside”, “wind through” in the house such as: window panes, openings, main doors, windows , skylight…
- 42.9cm hole ruler : Used to measure solid blocks, construction details as well as indoor furniture such as: size of blocks, pedestals, kitchens, steps, beds, cabinets…
- Ruler hole 38.8cm : Used to measure the negative part such as: graves, graves, altars, small sarcophagi…
How to use the hole ruler
Each type of caliper is used to measure different parts of a building. Before measuring, we need to understand the meaning and usage of each type of ruler so that we can choose the right size.
The structure of the standard hole ruler has 3 main parts:
- 1st row : Only measure size (in cm).
- 2nd row : Bow according to the size of the hole 38.8cm.
- 3rd row : Bow according to your hole size 42.9cm.
How to use a ruler : When measuring, if the size you choose falls in the red bow, it is a good size, suitable for feng shui. If it falls on a black bow, it is a size to avoid and you need to re-measure to build.
Principle of measuring hole board:
- Use a ruler to measure the door : The door panel hole size is calculated from the inside edge of the door and should measure both the height and the width.
- Use a ruler to measure the height of the house : From the floor to the top of the ceiling.
- Use a ruler to measure furniture : Measure the length, width, height or diameter of the furniture.
How to look up your hole size online
Besides using a ruler to measure directly, you can also look up the size on Google or on the phone’s applications.
Step 1 Go to google and type in the keyword “look up the ban”
Step 2 Enter the size you need to check your hole size into the search box to check if this size is suitable?
When looking up the size of the ban online, people often apply the formula: “2 black, discard, 2 red use” or “3 black remove, 3 red use”.
Note
The size lookup on the board size also needs to be based on the balance and certainty of the work, to ensure the quality of the house needs to be carefully calculated.
Above is the answer to the problem of what is the size of the hole? The most standard way to look up your hole size, which lassho.edu.vn wants to send to you. Hope this information is useful to you.
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