This chapter shall not be construed to prohibit a person, firm or corporation depositing any used or secondhand goods and materials upon his or its premises with the township where said person, firm or corporation is not engaged in the business of junk dealing, the operation of junkyards, salvage yards or other places used and maintained for the collection, storage and disposal of used and secondhand goods and materials; but the same is deposited by the said person, firm or corporation incidental to his or its use and enjoyment of his or its property within the township, and provided that such does not violate any other ordinance of the township. However, so-called "automobile graveyards" shall come within the definition of "junkyards, salvage yards, and other places used and maintained for the collection, storage and disposal of used and secondhand goods and materials."