No.20 Cockroach measures

Ozone will create an environment where pests settling down in the building is difficult to inhabit.
It is possible to suppress the breeding and nesting, to prevent intrusion from the outside.
According to a survey by Japan Society of animal health, it is the effective in cockroach in particular.

Related page:

No.61 Measures against freezing and frost formation in frozen warehouses No.24 Sanitization of kitchen No.16 Eradication of the air shower No.26 Deodorizing smell of fish preserves No.21 Deodorizing the smell of car No.25 Eradication of greenhouse No.22 Deodorizing the smell of tobacco No.23 Deodorizing the smell of mold