sentences: filtering is a mean of kaput
docs: filtering is fluid_filtration_process. filtering_system is device. water_filter is filtering_system. content_filtering_bypass_fault is filtering_software_bypass_fault. electromagnetic_radiation_filtering is filtering. email_filtering is filtering. filtering is event. fluid_filtration_process is filtering. filtering_software_bypass_fault is security_software_bypass_fault. request_filtering_bypass_fault is filtering_software_bypass_fault.