How long can KN95 mask be used

Coronavirus spreads from person to person, usually because people come into contact with the secretions of an infected person. Wearing a mask will prevent you from directly inhaling the virus in the droplets even if you come into contact with an infected person. Among them, the KN95 mask has the best defense effect....

How to charge Lead Acid Battery properly

A battery is an electrochemical device. During the battery discharge process, the stored chemical energy is converted to electrical energy that is used to power an electrical load. The charging process is the opposite reaction, where the electrical energy from the charging source is being stored into the chemical energy of the battery. In this article, we will know about the procedures of charg...

Does The Phone Need To Install The Lens Protector

Everyone knows the importance of the phone screen protector, which can effectively prevent the screen from being broken. But few people pay attention to the lens protector, leaving the phone lens exposed to danger.

EU looks to target Big Tech in trade war with America
Europe is ready to get creative to win the next bout of trade war against America.
The EU is preparing a law that could allow its executive body, the European Commission, to hit back against U.S. tariffs by imposing sanctions on the intellectual property of companies such as Amazon, Google and Facebook.
In a rare united front, Europe's main political groups on July 6 backed proposals to stre...
Trump stares down a ticking economic time bomb
It’s crunch time for the key issue President Donald Trump’s aides and advisers believe will determine his fate this November.
A stretch of critical decisions from mid-July until Labor Day will lay the foundation for what the U.S. economy will look like in October before voters make their final decisions. And White House officials are scrambling to prevent a dangerous pileup.
Governors must t...
Mnuchin: Congress should consider forgiving smaller business loans
Treasury Secretary Steven Mnuchin told lawmakers on Friday that they should consider automatic forgiveness for many loans under the Paycheck Protection Program, the $670 billion government-backed rescue of small businesses.
“I know one of the things we’ll talk about is: Should we just have forgiveness for all the small loans?” Mnuchin said during testimony to the House Small Business Committee....
Massive hack roils Twitter after seizing accounts of Obama, Biden and others
Unknown hackers plunged Twitter into chaos on Wednesday evening, commandeering the accounts of high-profile politicians and other famous figures in a massive breach that forced the social network to curtail access and disrupted everything from news coverage to government tornado warnings.
The fraudulent tweets sent from the accounts of high-profile figures such as former President Barack Obama,...
Big banks set aside billions for potential loan defaults
JPMorgan Chase notched higher-than-expected earnings in the second quarter but braced for losses from borrowers defaulting on their loans, as the bank's outlook for the U.S. economy becomes more pessimistic.
JPMorgan, the biggest bank in the country, set aside $10.5 billion to cover potential losses on its loan books, cutting aggressively into its profits, which came in at $4.7 billion. Its dec...