I used some of these to inject epoxy into dry, rotten wood while repairing a cedar trellis. The wood "appears" to be solid, but it isn't (23 years in the desert sun will do that with cedar). I drilled a few holes and loaded these syringes (with their 'needle') and injected the epoxy into the wood. The boards are now as hard as rock and will most likely not rot (because they are made of hard resin). They work great and are of good quality. There are many household uses for these puppies, but in our case none of them are for medicinal purposes.
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