Nothing in this chapter contained shall be construed to interfere with the provisions of chapter 2 of this title (s. 21:2-1 et seq.) where the provisions thereof are not inconsistent with the provisions of this chapter, nor shall anything in this chapter contained be construed to prohibit any manufacturer, wholesaler, dealer or jobber from selling at wholesale such fireworks to municipalities, religious, fraternal or civic organizations, fair associations, amusement parks, or other organizations or groups of individuals authorized to possess and use fireworks under this chapter; or the sale of any kind of fireworks, provided the same are to be shipped directly out of the state; or the sale or use of blank cartridges for a show or theater, or for signal purposes in athletic sports, or by railroads for signal purposes, or for the use by the militia, or construed to prohibit the manufacture and sale of aviation and railroad light flares. Any provision of any law in this state inconsistent with any provision of this chapter is hereby repealed.