1.3.1.

1.4.1.

2.1.1. Liquids with flash point <28°C

2.1.2. Gases with lower explosion limit <10%

2.1.3. Can decompose by itself at room temperature or oxygenate in the air A substance that can cause rapid spontaneous combustion or explosion

2.1.4. Under the influence of water or water vapor in the air at room temperature, Substances that can produce flammable gases and cause combustion or explosion

2.1.5. A strong oxidant that can easily cause combustion or explosion when exposed to acid, heat, impact, friction, catalysis, or flammable inorganic substances such as organic matter or sulfur.

2.1.6. Substances that can cause combustion or explosion when impacted, rubbed, or in contact with oxidants or organic matter

2.1.7. Production in closed equipment where the operating temperature is not less than the spontaneous ignition point of the substance itself

2.2.1. Liquids with flash point ≥28℃ to <60℃

2.2.2. Gases with lower explosion limit ≥10%

2.2.3. Oxidants not belonging to Category A

2.2.4. Flammable solids not belonging to Class A

2.2.5. combustion-supporting gas

2.2.6. Floating dust and fibers that can form explosive mixtures with air, and liquid droplets with a flash point ≥60°C

2.3.1. Liquids with flash point ≥60℃

2.3.2. flammable solid

2.3.3.

2.4.1. Production that processes non-combustible substances and often produces strong radiant heat, sparks or flames at high temperatures or in a molten state

2.4.2. Various productions that use gases, liquids, and solids as fuel or burn gases and liquids for other purposes

2.4.3. The production of using or processing refractory substances at room temperature

2.5.1. Production of non-combustible substances used or processed at room temperature