Proizvod vam ne odgovara? Nema veze! Možete nam vratiti unutar 30 dana
S poklon bonom ne možete pogriješiti. Za poklon bon primatelj može odabrati bilo što iz naše ponude.
30 dana za povrat kupljenih proizvoda
Presenting self-teaching guidance for various water/wastewater treatment calculations, this book provides a review of mathematical concepts and skills encountered in the operations of a water and wastewater treatment plant. It offers practical instruction in the math skills that operators must have to pass certification tests.