box
cardboard
care
careful
cargo
carton
caution
crate
danger
delivery
element
fire
foot
fragile
freight
globe
handle
icon
label
logistics
magnet
mail
mark
measure
pack
packaging
packing
paper
parcel
pictogram
post
postage
protect
radiation
recycle
service
shipping
sign
skull
stamp
standard
step
sticker
symbol
temperature
texture
threat
trample
umbrella
upside
warning