title: Transmission of photons through common shielding media.
mesh_terms: D003252:Construction Materials; D004601:Elementary Particles; D007501:Iron; D011835:Radiation Protection; D012822:Silicon Dioxide; D012987:Soil; D014867:Water; D014934:Wood
chemical_list: D012987:Soil; D014867:Water; D012822:Silicon Dioxide; D007501:Iron