head wear N95 face mask machine manufacturer 1. This machine is an automatic headband type KN95 mask production line, which automatically produces multi-layer masks with double-fold ears; 2. Driven by Mitsubishi servo motor, with high stability; 3. The machine adopts branded ultrasonic welding ma...
I recommend using a good protective mask. The key is to find a good mask, and industrial-grade commercial masks that say “N95” are the best. “N95” means that mask eliminates 95% of larger air particles; this theoretically would bring down an AQI day of 500 to a healthy...
replaced by KN95s and KF94s; at work, N95s and face shields are now required for people who still go to campus. San Francisco is handling (another) surge pretty well by national standards, but everyone is exhausted (me too, and my kids are old enough now mostly take care of themselve...
Shanghai’s largest museum is also one of its best for kids. TheShanghai Science and Technology Museumis located near Century Park and has 13 main permanent exhibitions and 4 science theaters, two of which are IMAX theaters. Go for hands-on exhibits about computing, robotics, cells, space t...