I have got an old kayak from a friend of mine who no longer needs it. As he told me, there are 3 leaks in that Kayak, one of them is very visible being a coin-sized hole (:D). The others are pretty ...
I've got a thermos for coffee and/or water storage that I use on hikes and for bike touring since it keeps things hot for hours. However, it seems like the inside is rusting a bit. Is this safe to ...