N verify (what is check Y ☒ N?) Infobox references. Chemical compound. Nitrile rubber, also known as nitrile butadiene rubber, NBR, Buna-N, and acrylonitrile 1,2-butadiene), radical generating activators, and a catalyst are added. - Offers In-App Purchase: No; - Price: Free. Octopus - Gamepad, Mouse, Keyboard Keymapper Mod Apk 6.1.4 [Unlocked][Pro] Features：. SERVICE PIPELINES, CONDUITS AND CABLES LICENCE FEE (Use of Public Way) per application. 300.00. 0%. Fees and Charges 2020/21. Fees 9.