Complex sentence: PBA-FM is staffed by a team of over 150 volunteers, all contribute to the station by working on a regular basis in various areas including on-air presentation, program production, administration, technical, research, library, training and promotions.
Split into simpler sentences: PBA-FM is staffed by a team of over 150 volunteers. All contribute to the station by working on a regular basis in various areas including on-air presentation, program production, administration, technical, research, library, training and promotions.