機器
artificial
blast
blow
cannon
change
climate
column
dark
global
global warming
gun
industry
infrastructure
maintain
maintenance
make
maker
making
mountain
night
open
piste
prepare
produce
production
recreation
resort
season
shoot
side
ski
ski resort
skiing
skiing season
slope
snow
snow cannon
snow gun
snow machine
snow maker
snow making
snow making machine
snowfall
snowing
snowmaking
sport
use
warming
winter