Firefighters face a race against time to save a man from drowning | Humankind


This car was sinking fast and the man inside needed help.
RELATED » 6 rescues you have to see to believe: https://www.youtube.com/watch?v=zkUOpA8nJg8

A film crew ready to shoot a fire department training video in Maryland ended up catching a real rescue on camera after a driver plunged into the water.

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Introduction to the Air Purifier Efficiency Problem

If you’re looking for a new air purifier for your home or office, you may be wondering which device will best suit your needs. Each type of air purifier comes with its own set of claims. For example, some sellers claim that these units are 99.

HEPA Filter: Back to Basics

If you are thinking of purchasing a good air purifier for your office or home, you are on the right page. If you want to get a unit, we suggest that you consider a few important factors. For example, since these units contain filters, they can only do a great job if you go for a unit that comes with high-quality filters.

Will It Starve You Of Oxygen If You Keep Your Room Windows Closed?

We all know that air purifiers perform the best in a closed environment. However, some people think that closing windows will starve them of oxygen. According to research studies, even if there are 7 people in a small room, they won’t even reduce the oxygen levels by 1%.

6 Steps To Clean Your Air Purifier

If you want to ensure that your indoor air remains clean and healthy, make sure you know how to go about cleaning your air purifier filters. So, before you get started, we suggest that you follow this simple guide. This guide will provide you with some necessary steps for cleaning your air purifier.

5 Steps to Make a DIY Air Purifier

If you are looking to make your homemade air purifier, you are on the right page. Since purifiers are quite expensive, we suggest that you follow this guide to make one yourself. You just need to get a HEPA air filter to get started.