Houses - Tree

The temporary buildings or structures constructed on mature trees, above ground level, are known as tree houses. These small structures are usually built for leisure or as a retreat. They can also provide safety from wild animals if they are built in a forest. They are considered to be eco-friendly houses because the trees do not need to be cut down for them to work as habitats. Furthermore, various techniques by which the houses can be tied to or set on trees causing the least damage can be applied. Stilts and struts are also used to support tree houses so that there is less stress on the tree body. These are fixed to the ground with nails, which helps avoid unwanted punctures in the tree body. Also, stay rods keep the house elevated by relieving weights. The most non-invasive methods of securing trees are tension and friction fasteners, which do not include nails, screws, or bolts, which damage trees, and which invasive methods do require. Which of the following are true statements about tree houses?