What does TRO stand for?

Truck Race Organisation

Truck Racing Organisation

Truck Route Order

Trunk Route Optimization

Tele Centro Oeste Celular, P. A.

Trip Reduction Ordinance

Taree, New South Wales, Australia

Tailings Reduction Operations

Troposphere

The atmospheric shell in which we live Extends upwards to a height of about 10 mi in the tropics, about seven mi in temperate latitudes, perhaps, five mi at poles Temperature decreases, more or less uniformly, with heights Winds are not constant, rain can be precipitated.