The layered phyllosilicates can be sprayed into a person's nostrils or contained on a face mask to prevent infection; can be suspended in water for skin contact for virus inactivation; can form a portion of an HVAC filter to prevent virus transfer from room to room, e.g., in a hospital...
aarm chair fabric 胳膊椅子织品[translate] ait can pick out the accurate quantitative ion chromatograph chart for each of these components 它可能挑选准确定量离子色谱分析仪图为每一个个这些个组分[translate] aI don't know. Everything, you name it. 我不知道。 一切,您命名它。[translate] ...