Ключевые слова: aid, altruism, backer, boost, builder, business, career, civil, commute, dole, donate, donor, favor, freebie, gift, grant, grantor, hand, handout, hardhat, helper, image, infrastructure, iron, maintenance, metal, offer, outdoor, patron, person, present, purchase, railroad, railway, repair, rural, safety, sponsor, sunrise, sunset, supply, support, track, transfer, transportation, travel, urban, walk, welfare, worker,