obstruction russian
беспрепя́тственно
without difficulty, without hindrance, without obstruction, freely
загражде́ние
barrier, obstruction
зато́р
obstruction, jam, mash
засоре́ние
obstruction, choking up, clogging up
обструкциони́зм
obstructionism
обструкциони́ст
obstructionist
обстру́кция
obstruction