aids in the prevention of cavities
AIDS prevention and control
AIDS prevention and control knowledge
AIDS prevention education
funding of AIDS prevention and cure
Knowledge of AIDS prevention
navigation aids in wind finding
NCAVAE National Committee for Audiovisual Aids in Education
collapse prevention in mega earthquake
disaster prevention in community
Faults and its Prevention in Anaesthesia
flood prevention in flood season
flood prevention in the oil field
Lightning prevention in the rural areas
pillar in prevention gush-out water