astronaut
background
box
cardboard
care
cargo
ce
center
colonization
compliant
console
cosmonaut
cosmos
danger
distance
engineer
explorer
focus
fork
fragile
galaxy
glass
gravitational
handle
icon
intersection
keep
label
litter
mandatory
material
package
perpendicular
point
recycling
rohs
set
side
sign
space
spaceport
station
sticker
symbol
system
target
technology
transportation
vehicle
weight