Is it normal for Moss to appear in the filter bucket of the water dispenser, and it is less than ten days? Can't drink!!When the weather is warm, the speed of bacterial growth is amazing,Especially the non-sealed water dispenser,The total number of colonies is absolutely excessive,Become a health killer at home,The black-green suspended solids you see,In the industrial circulating water system, it is called Clay,Special mud stripping agent needs to be added to effectively remove it.If the water dispenser does not have ultraviolet disinfection,It is recommended not to use it.Adding tap water or well water is easy to grow moss,If you buy bottled water directly,No, no.Avoid direct sunlight,Generally, there is no problem.Every time you add water for 2 to 3 days, you will be OK.
How much does space knowledge write? Space is also called space flight or space navigation.'Space' refers to the navigation activities of spacecraft outside the Earth's atmosphere (including the solar system) in space,It is roughly divided into two categories: Manned space and non-manned space.'Space', a new thing in human history, has applied many nouns involving basic concepts,These terms are very different from 'Aviation.The cosmic environment is extremely bad,The main factors harmful to human body are high vacuum, high hypoxia, cosmic radiation, temperature difference, etc,These adverse factors can cause serious harm to the human body.In this environment,Astronauts cannot survive and work.Facing the severe space environment of the universe,How to ensure the safety of astronauts?Our technicians have developed a closed cabin that is basically isolated from the outside world,To protect astronauts.It was morning,People's long-term living habits are 'out of the sun,Sunset ',Sleep is