## 2 Related Works  
A general overview of the effects of UV radiation on various materials has been given by [16]. Other authors delved deeper into specific areas of metals and wood materials, such as the photocorrosion of metals in by [PERSON] et al. [17] and the surface degradation of wood by [PERSON] and [PERSON] [18]. The UV degradation effects in polymers was explored in another group of research articles. [PERSON] et al. investigated the discoloration of optical polymers caused by UV radiation and their ability to recover [19]. [PERSON] et al. examined the properties of polyvinyl chloride (PVC) membranes containing cadmium pigments after exposure to UV radiation. The study found that UV radiation caused changes in the mechanical and barrier properties of the membranes, including an increase in tensile strength and a decrease in water vapor permeability. The study also found that the presence of cadmium pigments in the membranes increased their resistance to UV radiation [20]. Discoloration of (U)HMW-PE caused by high-dose gamma radiation and long-term thermal aging was investigated by [PERSON] et al. [21]. The study found that both gamma-irradiation and thermal aging caused discoloration of the (U)HMW-PE samples. The study also found that the degree of discoloration was dependent on the radiation dose and aging time. In addition, the study found that the discoloration was caused by changes in the chemical structure of the (U)HMW-PE due to the radiation and aging. The study concluded that high-dose gamma-irradiation and long-term thermal aging can cause discoloration of (U)HMW-PE, and this may affect the performance and durability of the material. [PERSON], [PERSON] examined the surface studies of UV-irradiated poly(vinyl chloride)/poly(methyl methacrylate) blends [22]. The study shows that UV exposure alters the surface properties of PVC/PMMA blends, resulting in increased roughness and decreased surface energy. The addition of PMMA to the blends was found to improve their resistance to UV radiation. The study suggested that changes in surface properties caused by UV radiation could affect the performance and longevity of the material and that incorporating PMMA into PVC blends could improve their performance and durability under UV exposure. [PERSON] et al. investigated the effects of different wavelengths of UV light on the surface discoloration of dyed veneer. The study found that different wavelengths of UV light had different effects on the surface discoloration of the veneer. The study also found that the color of the veneer changed differently depending on the wavelength of the light. It was concluded that the wavelength of the light is an important factor in the discoloration of dyed veneer, and that this should be considered when selecting the light sources to be used in illuminating dyed veneer [23]. [PERSON] et al. evaluated the effects of UV radiation on textured silicone rubber. The results showed that UV exposure caused changes in the mechanical and physical properties of the rubber, such as changes in its tensile strength, elongation, and surface roughness. In addition, the magnitude of these changes was found to be dependent on the duration and intensity of the UV exposure. The study concluded that UV radiation could significantly affect the properties of textured silicone rubber, potentially affecting its performance and longevity [24]. The study by [PERSON] et al. compared the effects of UV-C and 405 nm germicidal light sources on endoscope storage. The study found that both types were effective in reducing bacterial contamination, but UV-C caused more damage to the endoscopes and had higher safety hazards and maintenance costs. The study suggested that 405 nm germicidal light sources are a more appropriate option for endoscope storage [25]. An important paper related to our research by [PERSON] et al. examined the effects of 254 nm UV-C radiation exposure on aircraft cabin materials.