File:Kok-cycle.svgDescriptionKok-cycle.svg English: Kok-cylce in photosynthesis showing five S-states of the oxygen evolving complex Deutsch: Kok-Zyklus des Sauerstoff produzierenden
File:Traffic Sign GR - KOK - R-68a.svgDescriptionTraffic Sign GR - KOK - R-68a.svg English: https://www.drivenews.gr/archives/2673 Date 6 January 2022 Source Own work Author Llama jim. Clapped
File:Traffic Sign GR - KOK - K-44.svgDescriptionTraffic Sign GR - KOK - K-44.svg English: Greek road sign "Danger due to common pedestrian and bicycle crossing" Ελληνικά: H πινακίδα οδοσήμανσης
File:Traffic Sign GR - KOK - K-43.svgDescriptionTraffic Sign GR - KOK - K-43.svg Ελληνικά: H πινακίδα οδοσήμανσης του Ελληνικού ΚΟΚ, Κ43 πηγή: https://www.drivenews.gr/archives/2673 «Κίνδυνος