Diver communications

methods used by underwater divers to communicate

en-GB/ˈdaɪvə kəˌmjuːnɪˈkeɪʃnz/
en-US/ˈdaɪvɚ kəmˌjunəˈkeɪʃənz/

دسته بندی ها:

signed languagemanual communication