What is the difference between these expressions

1. подавать документы, подпиливать ногти (разное значение глагола to file) 2. клеить марки на письма, косить траву (глагол to stamp ) 3. папка для бумаг, пилочка для ногтей (существительное file)

Он первый. токта́р онгарба́евич аубаки́ров  (каз.тоқтар оңғарбайұлы әубәкіров; род.  27 июля  1946,  каркаралинский район,  карагандинская область,  казахская сср)  — 72-й (и последний) космонавт  , первый  космонавт  казахской  национальности.  генерал-майор  ввс казахстана. нe is the first toktar ongarbaevich aubakirov (kaz.totatar o'arbaiuly ububikirov, born july 27, 1946, karkaralinsky district, karaganda region, kazakh ssr) - the 72nd (and last) cosmonaut of the ussr, the first cosmonaut of the kazakh nationality. major general of the air force of kazakhstan.

7. i am so glad that you took me to your friend’s party. if we hadn't gone there, i would have never met adrian. 8. it’s ridiculous that trains are so expensive. if fares were cheaper, i’m sure more people would use the train and leave their cars at home. 9. if she gets that job she’s applied for, she will be delighted. and i think she’s got a good chance to get it. 10. fortunately the explosion took place at night when the streets were empty. it would have been a disaster if it had happened in the middle of the day. 11. the talks between the two leaders keep breaking down. if they break again, it is possible that there will be a war between the two countries. 12. if alison knows anything about car mechanics, i’m sure she will help us fix the car, but i think she knows even less than we do. 13. they’ve been married for twenty years now but i don’t think she wouldn't marry him if she knew what a selfish man he was. 14. children spent too much money watching television and playing computer games. i’m sure they would be happier if they spent more time playing outside. 15. jamie has everything he wants but he’s always moaning. i’m sure that if i have so much money, i will not moan all the time.