A touch of Russian Language
The Russian language is one that is neither quickly learned not easily spoken. Fortunately, your time in the mountain wilderness is spent with Russian translators who speak excellent English. In Petropavlovsk, the hotel staff mostly speak some English, and your time out in the town demands little communication with the local people who speak no English at all.
However, the Russian Cyrillic alphabet is worth a little attention to be able to read signs; when these are translated letter by letter, they commonly produce words which are recognizable as being almost the same as their meanings in either English or French. Armed with the alphabet and a few words to communicate the essentials or express a little courtesy, a confidence in the internationalism of sign language is enough to get about in Petropavlovsk.