trade-wind zone [= zone of trade wind]
a method of free vibration
ability of free radical scavenging
acceleration of free fall
acceleration of free falling body
accounting of free services
Act Governing Establishment and Management of Free Ports
admission of goods free of duty
aluminium-lined cot free of treatment
amplitude of free oscillations
Amplitude of oscillation of free ends
Analysis of free radical
Approximate equation of free energy
bearing bush free of lubrication
behaviour of free vibration
Berthing at Free of Charge