Here's why many ongoing infra projects have slowed down despite the lockdown, minimal traffic, and the so-called best opportunity to do so — lack of oxygen! Yes, a number of contractors working on projects have begun complaining about the lack of enough industrial oxygen cylinders required for welding and fabrication, as medical oxygen cylinders are now being given priority.

Experts said the contents of welding oxygen cylinders and medical oxygen cylinders are the same. Only, medical oxygen cylinder apparatus and tanks are sanitised, cleaned and certified, while welding oxygen is sold without that certification and put into tanks that are not that clean.