How to choose stainless steel vacuum flask 1. After adding water to the cup, tighten the cork and lid in a clockwise direction, and place the cup flat on the table. There should be no water leakage. See if the tightness is good. 2. Check whether the…
the characteristics of vacuum insulation cup In fact, the length of the heat preservation time of the vacuum thermos depends on the structure of the cup body and the thickness of the cup material. Generally speaking, the thinner the cup material, the…
Filter method of vacuum cleaners Dust bag filter The dust cup is separated by the vacuum airflow of the motor to separate the garbage and gas at a high -speed vacuum flow, and then the filtering material such as HEPA is purified to avoid secondary pollution.…
Precautions for the use of vacuum cleaners 1. Check the power supply in the power supply before using the vacuum cleaner. (There are instructions in general product manuals.) 2. Turn off the power switch of the vacuum cleaner, insert the power plug into…
How to use the vacuum cleaner 1. Please open the dust collector to check whether the dust bag is good. 2. Plug in the power supply and turn on the power switch. 3. Please choose various accessories according to different needs. Cleaning and replacing…