Biology, asked by subassubas28499, 7 months ago

_ are used in the machines to protect their surfaces form wer due to friction​

Answers

Answered by shreyanshmittal
1

Answer:

Rust

I am not sure

If i am right then mark me the brainliest

Answered by Anonymous
1

Answer:

Lubricants like oil, graphite powder etc.

Similar questions