hydraulic fracturing natural gas oil sands oil shale arctic/alaska transporting oil & natural gas wells to consumer transporting oil & natural gas oil tankers pipelines pipeline strategic data tracking system (psdts) rail transportation fuels and refining wells to consumer fuels and refining refineries...
, such as surgical and n masks, should be reserved for use by health care workers, those providing direct care, first responders and individuals who are ill and must leave their home for essential reasons such as seeking medical care, picking up medication or groceries; face coverings should not be placed...