Reuse is repeated use, is bringing the things that are available to use again, such as the ขวดน้ำ plastic used to put the water again.
Reuse is the repeated use Also available is bringing things back again as the introduction of plastic bottles are recycled back into the water again.
Reuse is used repeatedly is to take things that are available back again, like plastic water bottles that are used to navigate back to water again.