THE BASIC PRINCIPLES OF SAYAP33

Water, the elixir of daily life, is Probably the most precious resource on our planet. From sustaining life to shaping landscapes and driving economies, water plays a central part in almost just about every element of our existence.Sebuah bak penampung air diperlihatkan pada gambar berikut. Pada sisi kanan bak dibuat saluran air pada ketinggian 10