While industrial oxygen has been diverted for medical use, problems in transportation and delivery remain

According to gases manufacturers, there is a shortage of cryogenic vessels and tankers as well. This may hamper the bulk transportation of liquid oxygen from distant gas plants. Liquid oxygen, in bulk, can only be transported in a cryogenic vessel, which is also called a vacuum-insulated pressure vessel.
Source: The Economic Times - Category: Consumer Health News Source Type: news