Deadly weapon of the particular crime is inherently more dangerous. In some jurisdictions, a distinction is made between deadly weapons and destructive devices, such as explosives, incendiary or poison gas bombs, grenades, landmines, rockets, missiles, or similar devices, including the unassembled components from which such devices can be made. A deadly weapon "per se" is usually defined as a firearm and may include knives of a certain length (usually three inches or longer, depending on jurisdiction). Statutes list weapons such as switchblade, gravity knife, ballistic knife, stiletto, sword, dagger, blackjack, brass knuckles, nunchaku (fighting sticks), shuriken (throwing stars), among others. Any object
Authorship and ownership in copyright law in Canada as defined in section 3(1) of the act, namely "the sole right to produce or reproduce the work or any substantial part thereof", may also lie in compilations. What this means is that there are two layers of copyright in a collective work such as a compilation. First there are the 'normal' copyrights in the constituent works of which the compilation is composed. Second, there is also copyright in the compilation as a whole which would seem to exist independently of the copyright in the individual constituent works. The layering of copyright raises a number of legal questions. For example,