Opening direction of the door
1. Determination rules:
Assuming a person is standing outside, if If the door leaf is opened to the outside, it is judged that the door opens from the outside, otherwise it opens from the inside;
Assuming that a person is standing outdoors, if the hinge of the door leaf is in the person\’s On the right side, it is determined that the door opens from the right, otherwise it opens from the left.
Among them, for double doors and double doors, the opening direction of the first door leaf is used as the opening direction of the door.
2. Signs:
The signs for the opening direction of the metal door are Chinese characters, including: outer left, outer right, inner There are four types: left and inner right.
3. Illustration:
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