papírpala angolul

paper shale▼noun
[UK: ˈpeɪ.pə(r) ʃeɪl] [US: ˈpeɪ.pər ˈʃeɪl]

papery-shale▼noun
[UK: ˈpeɪ.pə.ri ʃeɪl] [US: ˈpeɪ.pə.ri ˈʃeɪl]