There are a total of eight species of pangolin on our planet. Pangolins, also known as scaly anteaters, are unique creatures that are covered in hard, plate-like scales. They are insectivorous (feeding on insects) and are mainly nocturnal.
Balloon framing, framework of a wooden building in which the elements consist of small members nailed together. In balloon framing, the studs (vertical members) extend the full height of the building (usually two stories) from foundation plate to rafter plate, as contrasted with platform framing, in which each floor is framed separately.
A truss is essentially a triangulated system of straight interconnected structural elements. The most common use of trusses is in buildings, where support to roofs, the floors and internal loading such as services and suspended ceilings, are readily provided. The main reasons for using trusses are: