IN: What happens next?

How to make a gas mask
Know the difference between gas and particle contamination.
Tear gas is actually a dust that is sprayed into the air, whereas biological weapons are generally gases. While it is incredibly difficult and expensive to completely protect yourself against gases, you can easily create a barrier against particles at home.

OUT: Toxic ash from volcanoes, tear gas, and dust are all particle contaminates. Cut the bottom off of a transparent 2-liter soda bottle.

IN: What happens next?

How to make midlife friends
Develop your personal passions.
The best way to meet new people is while you're doing something you already enjoy. This route ensures that you come off as genuine during your interaction because you won't be pretending to like something simply to form new connections.

OUT: What's more, when you're actually passionate about a topic, you tend to cherish it. Luckily, that's a nice mindset to forging and nurturing friendships, too.

IN: What happens next?

How to choose the right necklace length
Measure your neck.
Before purchasing a necklace, it's wise to first measure the circumference of your neck. This is especially true if you are considering buying a very short chain, like a collar or choker, since those styles are supposed to fit relatively tightly.

OUT:
Wrap a soft measuring tape around your neck, holding it close to your skin. Make a mental note of your measurement and take it into account when selecting a length.