axle

bearing

black

box

brunette

bush

car

career

caucasian

checks

compares

dark

engineer

european

female

freight

grease

helmet

hitch

industry

inspection

job

lid

lifestyle

manager

one

orange

outdoor

outside

paper

person

plain

professional

railway

raises

repair

road

scheme

service

shaft

specialist

technician

train

wagon

way

wheel

white

woman

worker

young