hat
3. yo se pa sèlman lajman te itilize nan endistri jeneral yo tankou petròl, gaz chabon, chimik Jeni, tretman pou dlo, men tou te itilize nan refroidissement dlo sistèm tèmik fòs prensipal.
eng
3. They are not only widely used in general industries as petroleum, coal gas, chemical engineering, water treatment, but also used in the cooling water system of thermal power plant.