@ar11175007 @j_g_allen Exactly my point.
Also, PPE will never be correctly and consistently effective against a constant unmitigated hazard IN PRACTICE. Humans are human, they slip up, they make mistakes, don't notice flaws in equipment or usage, etc.
Layering is required.
@ar11175007@j_g_allen正是我的观点。
此外，PPE在实践中永远无法正确且持续有效地对抗持续未缓解的危险。人类是人，他们会犯错，不会注意到设备或使用中的缺陷，等等。
需要分层。