06 01 2022

Afghan regime transfer and current situation |Aquasky

In April 2021, the new US president Joe Biden announced that the 20-year war in Afghanistan would officially end on August 31, 2021. This plan immediately caused an international uproar. Unexpectedly, it took less than half a month from the gradual withdrawal of the US military to the fall of the Afghan government, and the former Taliban government returned. Many Afghans had fled in fear of the harsh policies of the past. What was the current situation in Afghanistan?

05 16 2022

Simple principle of water pump|Aquasky

To purchase a pump, you must first understand the three parameters and choose according to your own usage, before you can install the pump correctly.

05 05 2022

Is a bigger water pressure tank better? |Aquasky

Is a bigger water pressure tank better? |Aquasky

A larger pressure tank can store more water volume to reduce the pump's on-off circle. 

04 28 2022

The situation in the UK after the Covid-19 lockdown|Aquasky

The UK government would fully unblock on July 19, 2021, which meant that all social bans and mandatory wearing of masks would be lifted. Bars and nightclubs would also reopen. It had been a while since the opening. Let’s got more about the current situation of the local epidemic.

04 20 2022

Frequency introduction |Aquasky

The frequency is defined as the number of vibrations per second, and its unit is (times/second). We usually use f to represent. Vibrating once per second is called 1Hz (Hertz). We often hear examples such as 50Hz and 60Hz in our lives.

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