[Method of preparing individual noise protectors from "Sielast" elastic plastic].
D004430:Ear Protective Devices; D004548:Elasticity; D009622:Noise; D010969:Plastics; D011482:Protective Devices; D014586:USSR
D010969:Plastics
K metodike izgotovleniia individual'nykh protivoshumov iz éleasticheskoĭ plastmassy "Siélast"