Health, safety and economics in the junk car cycle.
D000056:Accident Prevention; D000497:Alloys; D001336:Automobiles; D002641:Chicago; D004467:Economics; D004782:Environmental Health; D007501:Iron; D007878:Legislation as Topic; D008396:Maryland; D009518:New York; D011635:Public Health Administration; D012037:Refuse Disposal; D014707:Vermont
D000497:Alloys; D007501:Iron