What font is used for the words "fire" on the fire rack?

The words "firefighting" on the firefighting rack are in boldface.

Helvetica fonts are also called square fonts or isoline fonts. They have no serif decoration, the fonts are dignified, the strokes are horizontal and vertical, and the handwriting is all the same thickness. The boldface of Chinese characters was created based on the boldface of Western sans serifs after modern printing was introduced to the East. Since Chinese characters have many strokes and small black fonts have poor clarity, they were mainly used for article titles at first. However, with the advancement of typewriting technology, there are many boldface fonts suitable for main text. In Chinese, fonts without serifs are usually called boldface, and the category of this word is similar to sans-serif fonts (Sans-serif). Therefore, "black body" is commonly used in Chinese fonts, and "sans-serif" is commonly used in Western fonts. The Song font can be called a serif font. ?"Hell type" is called Goshikku-tai (literally translated as "Gothic") in Japanese.