Steam sterilization considers effective for biological waste and medical instruments sterilization, the combination of Steam temperature and its corresponding pressure at  121°c delivered energy greater than hot air temperature.
But their are many other factors to consider, while making choice of steam sterilizers or autoclaves, which includes the following:

1. External steam generator
2. External vacuum system
3. Chamber air release filter
4. Chamber over-pressure checks
5. Accurate documentation

Now that Covid-19 spread all over the world, effective sterilization of medical waste and medical instruments are our priority to cushion the spread of this pandemic.
In every health sector and Laboratory; perfect sterilization is the utmost key ingredients for productive result. This play vital role on staff and patients.