Wood decay is mostly the result of mold infestation. Hydrolytic enzymes in wood rot bacteria can decompose cellulose, lignin and cell contents, which make up wood cell walls, as raw materials for growth. Continuous absorption reduces the toughness of wood gradually until it loses all carrying capacity.

Dangerous goods transport vehicles usually transport dangerous goods with corrosive, natural, flammable, toxic, explosive and other properties. Dangerous goods have special physical and chemical properties. If they are not properly protected during transportation, accidents are likely to occur , and the consequences of the accident are more serious than ordinary vehicle accidents. Therefore, in order to ensure safety, the following eight points should be paid attention to in dangerous transportation: