Cart Remove item Thumbnail image Product Price Quantity Subtotal × partial replacement of cement with coconut shell ash for concrete production ₦ 5,000.00 partial replacement of cement with coconut shell ash for concrete production quantity ₦ 5,000.00 × design and construction of an arduino microcontroller based temperature controlled oven with digital display ₦ 5,000.00 design and construction of an arduino microcontroller based temperature controlled oven with digital display quantity ₦ 5,000.00 Update cart Cart totals Subtotal ₦ 5,998.00 Total ₦ 5,998.00 Proceed to checkout