Помогите отгадать кроссворд, очень надо 1-what scientists do to find out something about a topic 2-after somethi

Помогите отгадать кроссворд, очень надо 1-what scientists do to find out something about a topic 2-after something (eg a crime. an accident) has happened . we carry out this 3-to create something for the firs time 4-machines and tools that we use to do jobs 5-a mobile phone needs one of these to work 6-to improve something which already exists 7-whithout this, a car wouldn't go anywhere 8-a piece of equipment that does a specific job(eg a fridge) 9-without this, we couldn't turn on the lights at home 10-to find something which existed but no-one knew about before