The product is a 1975 grammar book titled “Kleines Wörterbuch der Anwendungs-technik” by Hoechst, aimed at language study with a focus on German. It is a 407-page paperback publication that serves as a dictionary of environmental protection technology in English, German, French, and Russian. This book provides a comprehensive look at technical vocabulary related to environmental protection in multiple languages, making it a valuable resource for anyone interested in studying or working in this field.