Blog posts February 2023

Can I test positive for COVID-19...

Can I test positive for COVID-19 without having a fever?

Although fever is a common symptom of the virus, it is still possible to go without a fever with COVID-19, especially in the first few days after infection. In fact, one study found that only 55.5 percent of COVID-19 patients surveyed of pe…

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How to choose a helmet key to se...


One should be carried out to check whether the helmet documents have a complete. Each helmet should have a certificate of conformity, 兒童頭盔, the use of instructions. Among them, the certificate of conformity should reflect the enterprise product design name, model, production activity d…

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How to connect speakers to TV an...

How to connect speakers to TV and cable box?

Now grab the cable remote and turn on the cable. Then grab the ring remote. And more

Are 2.1 or 3.1 speakers better?

The 3.1-channel speaker is an upgrade of the 2.1-channel sound bar. They include a center channel for enhanced dialog…

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