Ibha ye-hookah v Rockville ube nesilinganiso esimaphakathi — 4.7 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole ibha ye-hookah Rockville emigwaqweni elandelayo: Dawson Ave
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 1 inkampani, eyethulwe kuleli khasi.