Electrode of the electrolysis experiment, you can use as a material for homemade battery. Ingredients: 90% graphite 6-7 percent graphite ash, but otherwise, such as iron contained in raw material.
ترست بايلوت
منذ يوم واحد
منذ 5 أيام
منذ أسبوعين
منذ 3 أسابيع
