What is Ultraviolet (UV) light (electromagnetic radiation)?
2:35
YouTubeTech Guy Greg “TG2”
What is Ultraviolet (UV) light (electromagnetic radiation)?
Ultraviolet (UV) light is a type of electromagnetic radiation with shorter wavelengths than those of visible light but longer than X-rays. It is invisible to the human eye because its wavelengths are beyond the violet end of the visible light spectrum. Key characteristics of ultraviolet light include: Wavelength Range: UV light has wavelengths ...
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بهذا الفيديو شرحنا بالتفصيل كل أنواع الأشعة التي تخرج من ملاحم اللحام، مثل الأشعة فوق البنفسجية UV بأنواعها، والأشعة تحت الحمراء IR، والضوء المرئي القوي، وكيف كل نوع منها يؤثر على العين والجلد. بيّنا ليش لحام الأرجون TIG يعتبر من أقوى مصادر الأشعة، وبعده لحام MIG – CO2، ثم لحام الكهرباء العادي. ناقشنا المخاطر قصيرة وبعيدة المدى، مثل التهاب القرنية أو الإرهاق البصري، وكيف ممكن التعرّض المستمر بدون حماية يسبب مشاكل حقيقية. وذكرنا أهم وسائل الوقاية اللازمة لكل عامل أو صنايعي: نظارات مخصصة، قفازات،
1:07
بهذا الفيديو شرحنا بالتفصيل كل أنواع الأشعة التي تخرج من ملاحم اللحام، مثل الأشعة فوق البنفسجية UV بأنواعها، والأشعة تحت الحمراء IR، والضوء المرئي القوي، وكيف كل نوع منها يؤثر على العين والجلد. بيّنا ليش لحام الأرجون TIG يعتبر من أقوى مصادر الأشعة، وبعده لحام MIG – CO2، ثم لحام الكهرباء العادي. ناقشنا المخاطر قصيرة وبعيدة المدى، مثل التهاب القرنية أو الإرهاق البصري، وكيف ممكن التعرّض المستمر بدون حماية يسبب مشاكل حقيقية. وذكرنا أهم وسائل الوقاية اللازمة لكل عامل أو صنايعي: نظارات مخصصة، قفازات،
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Introducing our next-level UV protection. Powered by science, advanced technology, and nature’s actives, meet the new Npure Physical Sunscreen SPF 50 with UVPure400™️. Healthy glow, zero greasy feeling, all-day matte comfort. Real SPF. Maximum Protection. Beat the sun, every single day. ☀️ #NPURE #UVPURE400 #PURESPF50 #ANTIWHITECAST
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Introducing our next-level UV protection. Powered by science, advanced technology, and nature’s actives, meet the new Npure Physical Sunscreen SPF 50 with UVPure400™️. Healthy glow, zero greasy feeling, all-day matte comfort. Real SPF. Maximum Protection. Beat the sun, every single day. ☀️ #NPURE #UVPURE400 #PURESPF50 #ANTIWHITECAST
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