laboratory liquid nitrogen tankOf course, laboratory liquid nitrogen tanks do not only have this feature, they also have:

2. Large diameter + square bucket

Experimental samples are crucial to every worker doing experiments. Therefore, the safety of the samples cannot be ignored. In order to ensure the safety of the samples and prevent them from being accidentally taken or lost, in addition to square buckets and protective covers, usually A lock cover will be added and a lock will be installed to ensure safety.