Find the correct word.
Invention – sth that has never been made
before, or the process of creating sth that has never been made before.
Discovery – the process of finding information, a place, or an object, especially for the first time or the thing that is found.
Fact – sth that is known to have happened or to exist, especially sth for which proof exists, or about which there is information.
Reality – the state of things as they are, rather than as they are imagined to be; a fact.
Problem – a situation, person, or thing that needs attention and needs to be dealt with or solved.
Trouble - problems or difficulties.
Clean – nor dirty; free from any dirty marks, pollution, bacteria.
Clear – easy to understand, hear, read, or see.
Obstruction – behavior or actions that prevent sth from happening or working correctly.
Obstacle – sth that blocks you so that movement, going forward, or action is prevented or made more difficult.
Ordinary – not different or special or unexpected in any way; usual.
Common – the same in a lot of places or for a lot of people.
Invention – изобретение;
Discovery – открытие;
Fact – факт;
Reality – реальность;
Problem – проблема;
Trouble – неприятность;
Clean – чистить;
Clear – отчетливый, ясный;
Obstruction – заграждение, барьер;
Obstacle – помеха, преграда;
Ordinary – обыкновенный;
Common – обычный;