Make a manual, hand operated water pump at home, with a PVC tube, and a few small extras. Una bomba de agua manual que puedes fabricar en casa con un tubo de PVC y unas pocas cosas mas.(con subtitulos)
by smaerd58
by Mechanical Ninjineer
by Ang Uwak
by Be Creative & Healthy
by Mini Gear
by This Old House
by Creative Factory
