To an outsider, this is mind-blowing: since most of the history of life on earth has been the history of micro-organisms, the evidence for horizontal transfer suggests that a mainly Darwinian account of evolution may be only the latest version, applicable to the most recent, much more complex forms of life.
You apply tung oil just like linseed oil or oil/varnish blend, but you have to sand tung oil after every coat, not just after the first, and it takes five to seven coats, allowing two to three days drying time between each, to achieve a smooth, attractive sheen. or several weeks :
Using the 1 part Pure Tung Oil to 1 part thinner, apply the same way as the first application with a brush or sponge mop. Apply the oil in several coats one after another till you get a uniformly glossy surface that stays glossy for 20 to 40 minutes.