To encourage the most appropriate use of land throughout the Township and to conserve the value of property; to lessen congestion in the streets; to secure safety from fire, panic and other dangers; to promote health; morals and the general welfare; to provide adequate light and air; to prevent the overcrowding of land and buildings; and to avoid undue concentration of population, and to that end to regulate the height, design, appearance, number of stories and size of buildings and other structures, the percentage of the area of the lot that may be occupied, the size of yards and other open spaces, the density of population and the location and use of buildings, structures and land for trade, industry, residence or other purposes and the height, size and location of these uses within the limits of the Township, these regulations are hereby established and shall hereafter apply.