n. hydro jet packs (hydro jet pack)
Definition of hydro jet pack in English
Water-propelled device that is worn on the back and used as a mode of personal aerial transport and for recreational purposes.
Water-propelled device that is worn on the back and used as a mode of personal aerial transport and for recreational purposes.
Engine-powered device worn on the back which is used as a mode of personal aerial transport.
Water-propelled device that is worn on the back and used as a mode of personal aerial transport and for recreational purposes.