Opinion Review
Copyright ©The Author(s) 2021.
World J Orthop. Mar 18, 2021; 12(3): 94-101
Published online Mar 18, 2021. doi: 10.5312/wjo.v12.i3.94
Figure 4
Figure 4 A standard surgical mask over an N95 respirator mask to protect the latter from becoming soiled with blood during surgery. A: Double masking technique in which a standard surgical mask is used over a N95 respirator mask to avoid blood contamination of the latter; B: A face shield designed for agricultural purposes being used in the operating theatre.