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How can liquid nitrogen be used safely

Store liquid nitrogen only in approved unsealed containers (liquid nitrogen containers),Never pour it into a coffee thermos. Never seal it in any container (it will explode).

Attention: 

1.During use, be careful not to let liquid nitrogen stay in clothes near the skin.Wear safety glasses or a face shield when transferring liquid nitrogen.

2.Wear gloves when touching any object cooled by liquid nitrogen.Gloves should be loose fitting, so they could be thrown off if liquid were to pour inside them

3.Use only approved unsealed containers. Never use in a small poorly ventilated room, and never dispose of liquid nitrogen by pouring it on the floor. 

4.Do not store liquid nitrogen for long periods in an uncovered container (on the other hand, never totally seal a container). It could displace enough oxygen to cause suffocation.

Related Reading : How To Transport Liquid Nitrogen Tank
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