Single-page printing forms are generally set for individual approval. For many projects submitted for approval, can it be set to double-sided printing, or ask the relevant local law enforcement personnel. Because different places have different standards.
The food and beverage law enforcement documents used for saving are in word format, which can be directly set to "double-sided printing".
There are food and beverage law enforcement documents online, which are word files and can be downloaded for free:
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