Work health

透過接觸汙染物品的手, 把病菌傳播出去! 在疾病和預防控制中心， At the Centers For Disease Control and Prevention, 我們非常有注重 we are very interested 在社區防止疾病傳播。 in preventing transmission of disease in our community. 人們不常洗手， People...

Now before doing the gainer there's a few precautionary items that you need to take care of. Obviously you need to make sure you're in good general health. Don't do this with...