With guidance, using the internet in the classroom can improve their learning experience and introduce them to new things without even having to leave their home town. More Interaction â More Collaboration. Technology allows people to stay in touch more often, and wherever they are. You can harness easier interaction in schools to allow children to work together, more often. The best learning platforms have messaging systems, allowing children and teachers to talk via messages.
Whenever you get iron, water and oxygen together, you get rust. So the best way to prevent it is to keep them apart; that's what paint does, or the spray-on wax and oil coatings that the car protection companies sell. Keep your tools dry; wipe down your bike after a ride; keep the water away and it can't rust.ur friends at Instructables show how you can use electricity to remove rust: ...basically you set up a conductive solution and insert some sacrificial anodes. You hang your rusted tool in the solution and attach it to the negative end of the power supply. You attach the positive end to the anode and turn on the power.
How to Remove Rust from Metal. When metal has rusted, throwing it away and buying a replacement isn't always an option. You can remove rust using household ingredients such as aluminum foil and a mild acid like white vinegar, or with special rust-removing chemicals. With any rust-removing method, it will take some patience and some elbow grease to remove the rust.