11:13-21. On the back of the scroll, a name of G-d is written. The scroll is then rolled up and placed in the case, so that the first letter of the Name (the letter Shin) is visible (or, more commonly, the letter Shin is written on the outside of the case). The scroll must be handwritten in a special style of writing and must be placed in the case to fulfill the mitzvah.
Leopards roar, but it is a very different sound to the deep roar of a lion or the snarly roar of a tiger. It sounds very like a hacksaw cutting through wood-it's sometimes described as a 'hacksaw cough'. In addition, leopards also make various other sounds, for example, growls.
The Madagascar hissing cockroach is one member of a group of roaches that can all hiss; this exact mode of sound production is atypical, as most insects that make sound do so by rubbing together various body parts ( stridulation ), such as legs. Madagascar hissing cockroach has been used as the driver of a mobile robot. They were used in the reality television series Fear Factor. The species also made an appearance in the movie Men In Black in 1997.