Do i need a license to own a air gun in Bangladesh?

Why is gunpowder the most important Chinese invention? Where can you find a marlin diamond jubilee commemorative model 30-30? What is the market value of a nickel 4 inch model 27 Smith and Wesson? What is your marlin shotgun 19-s worth in working conditionserial? Where can someone purchase a Street Sweeper shotgun? Does a Bullet have to hit to kill? What slots features serial data transfers? What tools did a gunsmith use? Who made Nathord Inc M1 Carbine? What is the age of a Browning Light 12 serial 47234? Is a 380 calibur bullet the same as a 9mm bullet? What age do you have to be to take gun safety? When was savage 24c series p serial number B618129 produced? What do the grain numbers in rifle cartridges mean? Can you use 357 magnum ammo in your Glock model 31? What is the value of a nickel with a axe and a pipe crossing each other? What is the value and information on Browning Auto 5 Magnum twelve gauge shotgun serial number 89681? What year was the Ithaca model 87 serial number 870004685 made and what is the meaning of the prefix MAG? Do you have info on a bolt action single shot 22 rifle made by Continental Arms Co with a number 14 in a circle? What year is your 1911 pistol?