plants get their minerals by up-taking them into their root systems from the soil in which they are grown. they now have a page all their own on this site, click here to visit and read more. thankfully the country roads outside the national park are a darn sight better than many inside it. the combination seems so obvious that it's amazing no one has thought of it before. due to the image and ability of these vehicles there is potentially a massive difference between the best and worst – both in the way they have been used and their condition. 