Oxycodone and its metabolites are mainly excreted in the urine and sweat. Therefore, oxycodone accumulates in patients with renal impairment. Urine sample, tested for oxycodone, will show positive even 3- 4 days after the administration.
Expunge is defined as to erase or get rid of. An example of to expunge is to remove all names of underage witnesses from a crime report. expunge. expunge. To erase, delete, or strike out: expunged their names from the list. To eliminate completely; wipe out: a government's attempt to expunge dissidents.
Scavenging is the removal of exhaust gases from an engine cylinder. A part of the compressed air can be easily diverted to ensure complete scavenging of the exhaust gases. Scavenging is the process by which exhaust gases are expelled from the combustion chamber and fresh charge is introduced. The long primary exhaust tubes help promote torque and exhaust scavenging. Collins English Dictionary.