Goodday Sir, please can you send a video or pdf on how this version of the covid face shield works, other covid face shield samples i found online are very different from this. Knowing how it works will make it easy to optimize or improve this design. Thank you sir.
Goodday Sir, please can you send a video or pdf on how this version of the covid face shield works, other covid face shield samples i found online are very different from this. Knowing how it works will make it easy to optimize or improve this design. Thank you sir.