1 1/2 or 2 inch galvanised.
You cut it to size and air nail it in the tongue of each piece.
The variables include the support mechanism under the floor (ie: spacing & size of floor joists, structural strength of the tonque and groove flooring material, (ie: is it pine, birch, maple, etc.) and how thick will the flooring be?
cause our tongue is the size of mars
No, the size of your tongue is determined by genetics and cannot be permanently altered. Stretching exercises or tongue piercings may temporarily change the appearance of the tongue, but they will return to their original size.
1.5 or 2 inch finish nails
3/8 inch, standard groove you will usually find on small rimfire .22 rifles
14g
A cow's tongue is about the size of a ruler (12 inches or 30 cm) or a foot long.12 inches or 30 centimetres roughly the size of a ruler.
Depends on the size of the house.
That will vary inversely with the size/weight of the nails and directly with the strength of the magnet.
400km long
Chameleon has the longest tongue.