The exterminator conducts exterior inspections for gnaw marks, burrow entries, and grease rubs

https://www.scribd.com/document/1014968589/Heat-Treatment-Exterminator-Fast-Relief-from-Bed-Bugs-144849

The exterminator conducts exterior inspections for gnaw marks, burrow entries, and grease rubs, mapping rodent activity and prioritizing sealing and trapping over poison indoors.