1. Dewar lifting: Dewar bottles are designed and manufactured to withstand conventional handling, but they can be damaged by rough handling. When the Dewar is lifted, the sling must be attached to the top lifting lug and it is strictly prohibited to act directly on the protective ring. Caution: Keep the Dewar equipment stable during lifting and do not collide with other objects to avoid damage to the Dewar.

2. Dewar Handling: When the Dewar is being handled, it can be transported by using the matching trolley or trolley, and the Dewar should never be rolled through the protection ring.

3. Dewar transportation: In order to prevent the Dewars from moving or colliding with each other during transportation, the ropes are used to fix the equipment to ensure safe transportation.

4. Dewar storage: Dewar should be stored in a well-ventilated place and should not be exposed to the sun for a long time.