728x90 SMALL 상식+320 2023. 만성 피로의 예방 및 대책 2023. 6. 3. 2023. 업무상 재해와 예방관리 2023. 6. 3. 2023. 위험성 평가의 이해 2023. 6. 3. 2023. 근로자 건강을 위한 영양 관리 2023. 6. 2. 향고래 (Sperm whale) 이름의 유래 https://www.fisheries.noaa.gov/species/sperm-whale Sperm Whale Learn more about sperm whales and what NOAA Fisheries is doing to best conserve the species. www.fisheries.noaa.gov 향고래 이름의 유래 They are named after the waxy substance—spermaceti—found in their heads. The spermaceti is an oil sac that helps the whales focus sound. Spermaceti was used in oil lamps, lubricants, and candles. Sperm whales.. 2023. 5. 24. 에너지 관련 인포그래픽 사이트 https://www.visualcapitalist.com/how-ev-adoption-will-impact-oil-consumption-2015-2025p/ How EV Adoption Will Impact Oil Consumption (2015-2025P) How much oil is saved by adding electric vehicles into the mix? We look at data from 2015 to 2025P for different types of EVs. www.visualcapitalist.com 재미있고 유익한 사이트 발견 2023. 5. 24. 이전 1 2 3 4 5 6 ··· 54 다음 728x90 LIST
