Keywords: galaxies:active — galaxies:ISM — radio continuum:galaxies – radio lines:galaxies

1. INTRODUCTION  
1.1. Low-luminosity radio sources, H i absorption and FAST  
1.2. OH absorption and FAST  

2. SAMPLE, OBSERVATION AND DATA REDUCTION

3. RESULTS  
3.1. Individual sources with H i absorption  

4.1. H i absorption detection rates  
4.2. H i absorption kinematics  
4.3. OH absorption and abundance  

5. CONCLUSIONS