Air filter is blocked so there's not enough air input. There is a problem with motorcycle sprocket, like idling air inlet congestion, then the air input just isn't enough. The oil amount of float chamber is too high, some gasoline go directly into the cylinder without atomization, that may cause incomplete combustion. Main orifice wearout seriously and then this fuel injection from primary nozzle increases, that may cause incomplete combustion. Heating automatic valve is at start position along with the enrich valve can't be closed automatically, that can caused a wealthy mixture. Carbon deposit in muffler, exhaust jam, waste gas stay in cylinder, that can caused incomplete combustion then black smoke. Those that support animal testing say that is a necessary practice. They mention that firms that count on animal testing do use humane techniques to feed, house and care for the animals. Supporters also claim that options to animal testing are certainly not as far reaching, lacking a chance to figure out how cosmetic products affect living tissue and organs. After the battle of Verti?res, Dessalines has declared Haiti?s independence on January 1, 1804. After winning the Independence war, Dessalines met with all the heroic leaders and contacted Boirond-Tonnerre to create the Declaration of Independence in the newly Republic, that was then changed from French Saint-Domingue to Haiti. A few lines of Haiti?s Declaration of Independence by Boiron Tonnerre follow: ?In order to write down the Declaration of our Independence, we have to have the skin of a White man (Frenchman) for parchment, his skull for inkstand, his blood for ink along with a bayonet for pen?. Dessalines was then chosen with a council of generals (blacks and mulattos) to assume the office of Governor-General. Nine months later, he proclaimed himself Emperor Jacques 1er in September 1804 and ruled Haiti until his assassination on October 17, 1806.