The control hierarchy is a system for controlling risk in the workplace. Australian Guidelines for Infection Prevention and Control in Health Care for an overview of the risks management in infection prevention and control. 

The use of PPE face shield in Melbourne at https://tglmedical.com.au/store/face-protection/face-shields/ is becoming popular in the hierarchy. The control measures of PPE kits also considered being the most reliable and all other measures must be taken to eliminate or control risks to workers and patients that can be avoided for PPE needs. 

Health care professionals should carry out a local risk assessment before putting on PPE. To inform you about the use and selection of PPE. This risk assessment must take into account the nature of the interaction with the patient and the risk of transmission. 

The infectious agents and risk of skin / mucous membrane contamination from medical professionals such as blood membranes, secretions,  body substances, or excretions from the patient and how long the PSA will likely be asked to wear.

Neither of the examples contained in this appendix claims to be complete and is intended to illustrate this point for possible use for all types of protection.

The Therapeutic Goods Administration (TGA) advises alternative use of PPE if the Supply level reaches crisis supply. Whether you need a surgical face mask, examination gloves, gown, shoes, face shield, and goggles.