Some qualities would be to have strength - to hold the hose and to carry all of that heavy equipment, to have speed, accuracy, and precision, good eyesight, and good hearing would be some positive qualities.
I believe the tone is kind of sad. The mood the author wanted to make was sadness. He wanted you to image him when he was younger. (i hope this helped)
The noun clause that completes the sentence and makes it grammatically correct is what I want to do in the future.
Teaching is what I want to do in the future.
How to Write a Formal Letter?
Address or greet the concerned person properly like Dear Sir/Madam.
Always mention the subject of writing the letter.
Be concise in your letter. ...
The tone of the letter should be very polite and not harsh.
Write in a proper format and take care of the presentation of a letter.
Mention the address and date correctly.
