Isevisi yemoto v Ridder ube nesilinganiso esimaphakathi — 3.9 (ngokwezilinganiso zomsebenzisi AmaMaps! Isamba sezikhathi ezilinganiselwe — 1. Sithole isevisi yemoto v Ridder emigwaqweni elandelayo: Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 1 inkampani, eyethulwe kuleli khasi.