Page 165 - Specialised First Foreign Language 2

Greenhouse effect: The trapping of the sun’s thermal
radiation by gases and water vapour, keeping the surface
of the earth warmer than it would be otherwise.

Greenhouse gases: Gases that contribute to the
greenhouse affect. These include carbon dioxide, methane
and water vapour. One source of greenhouse gases is the
burning of fossil fuels, such as oil, gas and coal.

ground operator: a company or individual providing such

services as hotel, sightseeing, transfers, and all other
related services for groups. See receptive operator.

ground package: often expressed as a percentage (eg.
100% or 110%) of the lowest regular fare for the air travel
scheduled.

group leader: an individual, acting as liaison to a tour
operator, acts as escort

group tour: a pre-arranged, pre-paid travel program for a
group usually including all components. Also see
packaged tour.

guaranteed tour: a tour guaranteed to operate

guest account: an itemized record of a guest’s charges and
credits

guide: (1) a person qualified to conduct tours of specific
localities or attractions (many reliable guides are
licensed), (2) an airline, bus, railroad, or ship manual of
schedules and fares, usually printed seasonally

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