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 :
How long do I need to wait between applying the stain and the first coat of polyurethane? It's impossible to tell you for sure how long to wait because of all the possible variations, including: the moisture content of the wood, the amount of stain applied and/or left on the wood, the local temperature and humidity of course, as well as the amount of airflow.