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We provide a bi-annual newsletter , an annual report , articles that offer tips and information to both youth and parents , and numerous promotional materials such as book marks , posters and brochures . Study Guide that covers the requirements for shipping and receiving biological materials such as : infectious substances , diagnostic specimens , genetically modified microorganisms , potentially hazardous biological materials and dry ice . " FactMonster.com combines key reference materials such as a dictionary , encyclopedia , and almanac , fact-filled feature articles , and homework help into one colorful , intuitive interface . The city will conduct special collection events for hard-to-recycle materials such as used motor oil and anti-freeze . From its long experience in war-affected countries , the ICRC knew that high-quality materials such as wood , leather or metal where expensive and often hard to obtain locally ; in many countries they had to be imported .