Use special calciumlead tin alloy plate grid, more resistant to corrosion, charging accept ability is better.
使用特殊的钙铅锡合金板栅，更耐腐蚀，充电接受能力更好。
2
Lead causes brain damage by mimicking helpful metals found naturally in the body, such as calcium, iron and zinc, and binding with the same molecules and proteins.
通过模拟有助人体、自然存在的金属元素，诸如钙、铁、锌，并结合相同的分子与蛋白质，铅会导致大脑损伤。
3
Surprisingly, calcium supplements may be contaminated with lead, because the sources of calcium in supplements—like seashells or cow bones—are contaminated.