What do you call it when you use something carefully?
If someone is using his resources carefully, it means that he isn't wasting. He is using what he has available, and making sure that it lasts, and that he isn't going to run out in the future.
The cotton tip of it or something? I would try using (very carefully) some tweezers. Or maybe a toothpick (again, very carefully)
That is the correct spelling of "wasting" (squandering, using unwisely).
Depends if you come here if your bored (wasting time) or you're doing it so it can help you (not wasting your time).
reconstruction
Man-made waste consists of paper, plastic, glass, and other trash.
Because it is bad for wasting money
The likely word is "wasting" (using inefficiently, or bodily atrophy).
immortalizing
Recycleling is important because it helps you to save the earth and not wasting things. Recycleling helps the earth by not wasting the things and using the things again and again...........
It is called self-propulsion when something moves by itself, typically using its own energy or mechanism to generate motion.