How do gas masks actually work? - George Zaidan

604,046 views ใƒป 2024-04-30

TED-Ed


์•„๋ž˜ ์˜๋ฌธ์ž๋ง‰์„ ๋”๋ธ”ํด๋ฆญํ•˜์‹œ๋ฉด ์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค.

๋ฒˆ์—ญ: Euiyoung Lee ๊ฒ€ํ† : DK Kim
00:10
You might think of gas masks as clunky, spooky, military-looking devices
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๋ฐฉ๋…๋ฉด์ด๋ผ๊ณ  ํ•˜๋ฉด ํˆฌ๋ฐ•ํ•˜๊ณ  ์œผ์Šค์Šคํ•œ ๊ตฐ์šฉ ๋ฌผํ’ˆ์œผ๋กœ์„œ
00:14
only found in spy movies or World War I museums.
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์ฒฉ๋ณด ์˜ํ™”๋‚˜ 1์ฐจ ๋Œ€์ „ ๋ฐ•๋ฌผ๊ด€์—์„œ๋‚˜ ๋ณผ ์ˆ˜ ์žˆ๋‹ค๊ณ  ์ƒ๊ฐํ•  ๊ฒƒ์ž…๋‹ˆ๋‹ค.
00:18
But you probably already own a mask that uses remarkably similar technology.
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๊ทธ๋Ÿฐ๋ฐ ์—ฌ๋Ÿฌ๋ถ„์ด ์ด๋ฏธ ์‚ฌ์šฉํ•˜๋Š” ๋งˆ์Šคํฌ์—
๋†€๋ผ์šธ ๋งŒํผ ๋น„์Šทํ•œ ๊ธฐ์ˆ ์ด ๋“ค์–ด ์žˆ์„ ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค.
00:23
And in the near future, we may need to rely on these filters
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๊ทธ๋ฆฌ๊ณ  ๊ฐ€๊นŒ์šด ๋ฏธ๋ž˜์—๋Š” ์ด๋Ÿฌํ•œ ์—ฌ๊ณผ ๊ธฐ์ˆ ์ด
00:25
as part of our everyday lives.
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์ผ์ƒ์ƒํ™œ์˜ ์ผ๋ถ€๊ฐ€ ๋ ์ง€๋„ ๋ชจ๋ฆ…๋‹ˆ๋‹ค.
00:28
In addition to emerging diseases,
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์‹ ์ข… ์งˆ๋ณ‘์ด ๋“ฑ์žฅํ•˜๋Š” ๊ฑฐ์— ๋”ํ•ด์„œ
00:30
wildfire frequency has more than tripled from 1996 to 2021.
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์‚ฐ๋ถˆ์€ 1996๋…„๋ถ€ํ„ฐ 2021๋…„๊นŒ์ง€ 3๋ฐฐ ์ด์ƒ ์ฆ๊ฐ€ํ–ˆ์Šต๋‹ˆ๋‹ค.
00:35
As fires burn longer and cover more land, their smoke affects more people each year.
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ํ™”์žฌ๊ฐ€ ๋งค๋…„ ๋” ์˜ค๋ž˜ ์œ ์ง€๋˜๊ณ  ๋” ๋„“๊ฒŒ ํผ์งˆ์ˆ˜๋ก
์—ฐ๊ธฐ๋Š” ๋” ๋งŽ์€ ์‚ฌ๋žŒ๋“ค์—๊ฒŒ ์˜ํ–ฅ์„ ๋ฏธ์นฉ๋‹ˆ๋‹ค.
00:40
Climate change is also causing more hot, sunny days,
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๊ธฐํ›„ ๋ณ€ํ™”๋กœ ๋”์šฑ ๋ฅ๊ณ , ํ–‡๋ณ•์ด ๊ฐ•ํ•œ ๋‚ ์ด ๋Š˜๋ฉด์„œ
00:44
which accelerates the production of toxic ground level ozone.
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์œ ๋…์„ฑ ์ง€ํ‘œ๋ฉด ์˜ค์กด์ด ๋” ๋นจ๋ฆฌ ์ƒ์„ฑ๋ฉ๋‹ˆ๋‹ค.
00:48
So, how do these masks work,
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๊ทธ๋Ÿฌ๋ฉด ์ด ๋งˆ์Šคํฌ๋“ค์€ ์–ด๋–ป๊ฒŒ ์ž‘์šฉํ•˜๋ฉฐ
00:49
and can they protect us from new and old airborne threats?
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๋Œ€๊ธฐ์— ์žˆ๋Š” ์ƒˆ๋กญ๊ฑฐ๋‚˜ ์˜ค๋ž˜๋œ ์œ„ํ—˜์—์„œ ์šฐ๋ฆฌ๋ฅผ ๋ณดํ˜ธํ•  ์ˆ˜ ์žˆ์„๊นŒ์š”?
00:52
Well, the first rule of filters is making sure you have a tight seal.
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์—ฌ๊ณผ์˜ ์ฒซ ๋ฒˆ์งธ ๊ทœ์น™์€ ํ™•์‹คํ•˜๊ฒŒ ๋ฐ€๋ด‰ํ•˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.
00:56
Without that, even the best mask in the world is useless.
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๊ทธ๋ ‡์ง€ ์•Š์œผ๋ฉด ์„ธ์ƒ์—์„œ ๊ฐ€์žฅ ์ข‹์€ ๋งˆ์Šคํฌ๋„ ๋ฌด์šฉ์ง€๋ฌผ์ž…๋‹ˆ๋‹ค.
00:59
So assuming your mask is on tight,
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๋”ฐ๋ผ์„œ ๋งˆ์Šคํฌ๋ฅผ ์ œ๋Œ€๋กœ ์ฐฉ์šฉํ–ˆ๋‹ค๊ณ  ๊ฐ€์ •ํ•˜๊ณ ,
01:01
this technology can capture pollutants in one of two ways:
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์ด ๊ธฐ์ˆ ์€ ๋‘˜ ์ค‘ ํ•œ ๊ฐ€์ง€ ๋ฐฉ๋ฒ•์œผ๋กœ ์˜ค์—ผ ๋ฌผ์งˆ์„ ๊ฑฐ๋ฅผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
01:05
filtering them out by size or attracting specific chemical compounds.
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ํ•˜๋‚˜๋Š” ํฌ๊ธฐ๋กœ ๊ฑฐ๋ฅด๋Š” ๊ฑฐ๊ณ 
๋‹ค๋ฅธ ํ•˜๋‚˜๋Š” ํŠน์ •ํ•œ ํ™”ํ•ฉ๋ฌผ์„ ๋Œ์–ด ๋‹น๊ฒจ ์ œ๊ฑฐํ•˜๋Š” ๊ฑฐ์ฃ .
01:09
For an example of the first approach, letโ€™s look at wildfire smoke.
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์ฒซ ๋ฒˆ์งธ ๋ฐฉ๋ฒ•์˜ ์˜ˆ๋กœ ์‚ฐ๋ถˆ ์—ฐ๊ธฐ๋ฅผ ์‚ดํŽด๋ณด๊ฒ ์Šต๋‹ˆ๋‹ค.
01:13
When forests burn, they generate a wide variety of chemicals.
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์ˆฒ์— ๋ถˆ์ด ๋‚˜๋ฉด ๋‹ค์–‘ํ•œ ํ™”ํ•™ ๋ฌผ์งˆ์ด ์ƒ์„ฑ๋ฉ๋‹ˆ๋‹ค.
01:17
At close range, there are so many different pollutants
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๊ทผ๊ฑฐ๋ฆฌ์—๋Š” ๋งค์šฐ ๋‹ค์–‘ํ•œ ์˜ค์—ผ ๋ฌผ์งˆ์ด ๋งค์šฐ ๊ณ ๋†๋„๋กœ ์žˆ๊ธฐ ๋•Œ๋ฌธ์—
01:19
at such high concentrations that no filter could help youโ€”
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์–ด๋–ค ์—ฌ๊ณผ ์žฅ์น˜๋„ ๋„์›€์ด ์•ˆ ๋ฉ๋‹ˆ๋‹ค.
01:22
this is why firefighters travel with their own air supply.
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๊ทธ๋ž˜์„œ ์†Œ๋ฐฉ๊ด€์€ ๊ณต๊ธฐ ๊ณต๊ธ‰ ์žฅ์น˜๋ฅผ ๋“ค๊ณ  ์ถœ๋™ํ•˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.
01:25
But further away, the situation is different.
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ํ•˜์ง€๋งŒ ๋ฉ€๋ฆฌ ๋–จ์–ด์ ธ ์žˆ๋‹ค๋ฉด ์ƒํ™ฉ์€ ๋‹ค๋ฆ…๋‹ˆ๋‹ค.
01:28
While there's still a range of chemicals,
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์—ฌ์ „ํžˆ ๋‹ค์–‘ํ•œ ํ™”ํ•™ ๋ฌผ์งˆ์ด ์กด์žฌํ•˜์ง€๋งŒ
01:30
theyโ€™ve mostly aggregated into tiny solid or liquid particles
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๋Œ€๋ถ€๋ถ„์€ ์ž‘์€ ๊ณ ์ฒด ๋˜๋Š” ์•ก์ฒด ์ž…์ž๋กœ ์‘์ง‘๋˜์–ด ์žˆ๊ณ 
01:34
smaller than 2.5 microns in diameter.
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์ž…์ž๋“ค์€ ์ง๊ฒฝ์ด 2.5๋ฏธํฌ๋ก  ๋ฏธ๋งŒ์ž…๋‹ˆ๋‹ค.
01:37
This particulate matter is much of what you're seeing and smelling in smoke,
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์—ฐ๊ธฐ ์†์—์„œ ๋ณด๊ณ  ๋ƒ„์ƒˆ ๋งก๋Š” ๋Œ€๋ถ€๋ถ„์ด ์ด ์ž…์ž์ƒ ๋ฌผ์งˆ์ด๋ฉฐ
01:41
and it's especially dangerous for children, the elderly,
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์–ด๋ฆฐ์ด, ๋…ธ์ธ, ํ˜ธํก๊ธฐ ์งˆํ™˜์ด ์žˆ๋Š” ์‚ฌ๋žŒ๋“ค,
01:44
and those with respiratory or cardiovascular diseases.
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์‹ฌํ˜ˆ๊ด€ ์งˆํ™˜์ด ์žˆ๋Š” ์‚ฌ๋žŒ๋“ค์—๊ฒŒ ํŠนํžˆ ์œ„ํ—˜ํ•ฉ๋‹ˆ๋‹ค.
01:47
Luckily, the majority of these particulates are still large enough
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๋‹คํ–‰ํžˆ, ์ด๋Ÿฐ ๋ฏธ๋ฆฝ์ž๋“ค์€ ๋Œ€๋ถ€๋ถ„ ์ถฉ๋ถ„ํžˆ ์ปค์„œ
01:50
to be captured by the most basic filters,
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๊ฐ€์žฅ ๊ธฐ๋ณธ์ ์ธ ์—ฌ๊ณผ ์žฅ์น˜๋กœ๋„ ํฌ์ง‘ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
01:53
which are made of polypropylene or glass strands
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์ด๋Ÿฐ ํ•„ํ„ฐ๋Š” ํด๋ฆฌํ”„๋กœํ•„๋ Œ์ด๋‚˜ ์œ ๋ฆฌ ์„ฌ์œ ๋กœ ๋งŒ๋“œ๋Š”๋ฐ
01:55
roughly 1/10 the width of a human hair.
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์ด๋“ค์€ ๋จธ๋ฆฌ์นด๋ฝ ๋„ˆ๋น„์˜ ์•ฝ 1/10 ์ •๋„์ž…๋‹ˆ๋‹ค.
01:58
Under a microscope, they look like a thick forest,
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ํ˜„๋ฏธ๊ฒฝ์œผ๋กœ ๋ณด๋ฉด ์šธ์ฐฝํ•œ ์ˆฒ์ฒ˜๋Ÿผ ๋ณด์ด๋Š”๋ฐ,
02:01
and at this scale, these branches have a special property.
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์ด ์ •๋„ ๊ทœ๋ชจ์—์„œ ๋ณด๋ฉด ์ด ๊ฐ€์ง€๋“ค์€ ํŠน์„ฑ์ด ์žˆ์Šต๋‹ˆ๋‹ค.
02:05
Typically, when you use a sieve,
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์ผ๋ฐ˜์ ์œผ๋กœ ์ฒด๋ฅผ ์‚ฌ์šฉํ•  ๋•Œ๋Š” ์ฒด์˜ ๋ˆˆ๋ณด๋‹ค ํฐ ๋ฌผ์ฒด๋ฅผ ๊ฑธ๋Ÿฌ๋ƒ…๋‹ˆ๋‹ค.
02:07
youโ€™re filtering out objects larger than the sieveโ€™s holes.
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02:11
But these polypropylene branches can catch particles much smaller
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๊ทธ๋Ÿฌ๋‚˜ ์ด ํด๋ฆฌํ”„๋กœํ•„๋ Œ ๊ฐ€์ง€๋“ค์€
ํ‹ˆ์ƒˆ๋ณด๋‹ค ํ›จ์”ฌ ์ž‘์€ ์ž…์ž๋ฅผ ๊ฑธ๋Ÿฌ๋‚ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
02:15
than the gaps between them.
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02:17
Thatโ€™s because, when a particle collides with a thread,
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๊ทธ ์ด์œ ๋Š”, ์ž…์ž๊ฐ€ ์‹ค๊ณผ ๋ถ€๋”ชํžˆ๋ฉด
02:19
van der Waals forces cause it to stick as if it were made of Velcro.
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๋ฐ˜ ๋ฐ๋ฅด ๋ฐœ์Šค ํž˜์œผ๋กœ ์ธํ•ด ์ฐ์ฐ์ด์ฒ˜๋Ÿผ ๋‹ฌ๋ผ๋ถ™๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.
02:24
Plus, size-based filters can use electrically charged fibers
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๋˜ํ•œ ํฌ๊ธฐ๋กœ ๊ฑฐ๋ฅด๋Š” ํ•„ํ„ฐ๋Š” ์ „ํ•˜๋ฅผ ๋ค ์„ฌ์œ ๋ฅผ ์‚ฌ์šฉํ•ด์„œ
02:28
that attract particles not already on a collision course.
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์‚ฌ์ด๋กœ ๋น ์ ธ๋‚˜๊ฐ€๋Š” ์ž…์ž๋ฅผ ๋Œ์–ด๋‹น๊ธธ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
02:32
This is how even a simple N95 mask can catch at least 95% of particulate matter.
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์ด๋ฅผ ํ†ตํ•ด ๊ฐ„๋‹จํ•œ N95 ๋งˆ์Šคํฌ๋กœ๋„
์ž…์ž ๋ฌผ์งˆ์„ ์ตœ์†Œ 95% ์ œ๊ฑฐํ•  ์ˆ˜ ์žˆ๊ณ 
02:38
And why an N100 mask
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๋˜ํ•œ N100 ๋งˆ์Šคํฌ ๋˜๋Š”
02:40
or an air purifier with a high efficiency particulate air filter
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๊ณ ํšจ์œจ ๋ฏธ๋ฆฝ์ž ๊ณต๊ธฐ ํ•„ํ„ฐ๊ฐ€ ์žฅ์ฐฉ๋œ ๊ณต๊ธฐ ์ฒญ์ •๊ธฐ๋Š”
02:43
can catch at least 99.97% of particulates.
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๋ฏธ๋ฆฝ์ž๋ฅผ ์ตœ์†Œ 99.97% ํฌ์ง‘ํ•  ์ˆ˜ ์žˆ๊ธฐ๋„ ํ•ฉ๋‹ˆ๋‹ค.
02:47
With a tight seal,
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๋ฐ€์ฐฉํ•ด์„œ ์ฐฉ์šฉํ•œ๋‹ค๋ฉด ์ด๋Ÿฌํ•œ ์ˆ˜์ค€์˜ ๋ณดํ˜ธ๋กœ
02:49
this level of protection will filter out most airborne pollution.
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๊ณต๊ธฐ ์ค‘ ์˜ค์—ผ ๋ฌผ์งˆ์„ ๋Œ€๋ถ€๋ถ„ ๊ฑธ๋Ÿฌ๋‚ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
02:53
Unfortunately, some pollutants are still too small for this approach,
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์•ˆํƒ€๊น๊ฒŒ๋„ ์ผ๋ถ€ ์˜ค์—ผ ๋ฌผ์งˆ์€ ๋„ˆ๋ฌด ์ž‘์•„์„œ ์ด ๋ฐฉ๋ฒ•์ด ์•ˆ ๋ฉ๋‹ˆ๋‹ค.
02:56
including ozone molecules.
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๊ฐ€๋ น ์˜ค์กด ๋ถ„์ž๊ฐ€ ์žˆ์ฃ .
02:58
These are barely bigger than the oxygen that we need to breathe
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์˜ค์กด์€ ํ˜ธํก์— ํ•„์š”ํ•œ ์‚ฐ์†Œ๋ณด๋‹ค ์•ฝ๊ฐ„ ๋” ํฌ๋ฉฐ
03:02
and exposure is associated with asthma, respiratory conditions,
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๋…ธ์ถœ๋˜๋ฉด ์ฒœ์‹, ํ˜ธํก๊ธฐ ์งˆํ™˜, ๊ทธ๋ฆฌ๊ณ  ์กฐ๊ธฐ ์‚ฌ๋ง๊นŒ์ง€ ์ดˆ๋ž˜ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
03:05
and even premature death.
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03:08
Our best chance to filter them are activated carbon masks.
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์ด๋ฅผ ๊ฑธ๋Ÿฌ๋‚ผ ์ˆ˜ ์žˆ๋Š” ๊ฐ€์žฅ ์ข‹์€ ๋ฐฉ๋ฒ•์€ ํ™œ์„ฑํƒ„ ๋งˆ์Šคํฌ์ž…๋‹ˆ๋‹ค.
03:11
At the microscopic level, activated carbon looks like a vast black honeycomb,
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ํ˜„๋ฏธ๊ฒฝ์œผ๋กœ ๋ณด๋ฉด ํ™œ์„ฑํƒ„์€ ๊ฑฐ๋Œ€ํ•œ ๊ฒ€์€์ƒ‰ ๋ฒŒ์ง‘์ฒ˜๋Ÿผ ๋ณด์ด๋ฉฐ
03:16
and it's highly microporous structure can trap tiny ozone molecules.
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์ด๊ฒƒ์˜ ๋ฏธ์„ธ ๋‹ค๊ณต์„ฑ ๊ตฌ์กฐ๋Š” ์ž‘์€ ์˜ค์กด ๋ถ„์ž๋ฅผ ๊ฐ€๋‘˜ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
03:21
But this material still needs help to capture other pollutants
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ํ•˜์ง€๋งŒ ์ด ๋ฌผ์งˆ์ด ํ™ฉํ™” ์ˆ˜์†Œ, ์—ผ์†Œ, ์•”๋ชจ๋‹ˆ์•„ ๊ฐ™์€
03:24
like hydrogen sulfide, chlorine, and ammonia.
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๋‹ค๋ฅธ ์˜ค์—ผ ๋ฌผ์งˆ์„ ์žก์•„๋‚ด๋ ค๋ฉด ์—ฌ์ „ํžˆ ๋„์›€์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.
03:27
For these threats, we need to combine the activated carbon
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์ด๋Ÿฐ ์œ„ํ—˜ ๋ฌผ์งˆ์— ๋Œ€์‘ํ•˜๋ ค๋ฉด ํ™œ์„ฑํƒ„์—
๋ช‡ ๊ฐ€์ง€ ๊ฐ„๋‹จํ•œ ํ™”ํ•™ ๋ฌผ์งˆ์„ ์ถ”๊ฐ€ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
03:30
with some simple chemistry.
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03:32
If the pollutant is acidic, we can infuse the filter with a basic chemical.
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์˜ค์—ผ ๋ฌผ์งˆ์ด ์‚ฐ์„ฑ์ด๋ฉด ํ•„ํ„ฐ์— ์—ผ๊ธฐ์„ฑ ๋ฌผ์งˆ์„ ์ถ”๊ฐ€ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
03:37
Then when the two meet, they react, and the gas is trapped.
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์ด ๋‘˜์ด ๋งŒ๋‚˜๋ฉด ๋ฐ˜์‘์„ ์ผ์œผํ‚ค๊ณ  ๊ฐ€์Šค๊ฐ€ ๊ฐ‡ํžˆ๊ฒŒ ๋˜์ฃ .
03:40
Similarly, we can use acids to trap basic pollutants.
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๋งˆ์ฐฌ๊ฐ€์ง€๋กœ ์‚ฐ์„ฑ ๋ฌผ์งˆ์„ ์‚ฌ์šฉํ•˜์—ฌ ์—ผ๊ธฐ์„ฑ ์˜ค์—ผ ๋ฌผ์งˆ์„ ๊ฐ€๋‘˜ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
03:44
Even with the right mask, it's still smart to check air quality indicators
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์˜ฌ๋ฐ”๋ฅธ ๋งˆ์Šคํฌ๋ฅผ ์ฐฉ์šฉํ–ˆ๋”๋ผ๋„ ๊ณต๊ธฐ ์งˆ ์ง€ํ‘œ๋ฅผ ํ™•์ธํ•˜๊ณ 
03:48
and to stay indoors when the threat level is high.
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์œ„ํ—˜ ์ˆ˜์ค€์ด ๋†’์„ ๋•Œ๋Š” ์‹ค๋‚ด์— ๋จธ๋ฌด๋ฅด๋Š” ๊ฒƒ์ด ํ˜„๋ช…ํ•ฉ๋‹ˆ๋‹ค.
03:51
And just like a mask, you'll want to make sure your house is well sealed.
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๋งˆ์Šคํฌ์™€ ๋งˆ์ฐฌ๊ฐ€์ง€๋กœ ์ง‘๋„ ๋ฐ€ํ ์ƒํƒœ๋ฅผ ํ™•์ธํ•˜๋ฉด ์ข‹์Šต๋‹ˆ๋‹ค.
03:55
You can do this by closing windows, turning off fans that vent outside,
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์ฐฝ๋ฌธ์„ ๋‹ซ๊ณ  ์™ธ๋ถ€์™€ ํ†ตํ•˜๋Š” ํ™˜ํ’๊ธฐ๋ฅผ ๋„๊ณ ,
03:59
and using HEPA filter equipped air purifiers
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ํ—คํŒŒ ํ•„ํ„ฐ๊ฐ€ ์žฅ์ฐฉ๋œ ๊ณต๊ธฐ ์ฒญ์ •๊ธฐ ํ˜น์€
04:01
or their cheaper, DIY cousin, the Corsi-Rosenthal box.
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์ €๋ ดํ•˜๊ฒŒ ์ง์ ‘ ๋งŒ๋“ค ์ˆ˜ ์žˆ๋Š” โ€˜์ฝ”๋ฅด์‹œ ๋กœ์  ํƒˆ ์ƒ์žโ€™๋ฅผ ์“ฐ๋Š” ๊ฒ๋‹ˆ๋‹ค.
04:06
Following these guidelines can help us breathe easy
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์ด๋Ÿฌํ•œ ์ง€์นจ์„ ๋”ฐ๋ฅด๋ฉด ํŽธ์•ˆํ•˜๊ฒŒ ์ˆจ์„ ์‰ฌ๋ฉด์„œ
04:09
as we work on preventing these pollutants in the first place.
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์• ์ดˆ์— ์˜ค์—ผ ๋ฌผ์งˆ์ด ๋ฐœ์ƒํ•˜์ง€ ์•Š๋„๋ก ๋…ธ๋ ฅํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
์ด ์›น์‚ฌ์ดํŠธ ์ •๋ณด

์ด ์‚ฌ์ดํŠธ๋Š” ์˜์–ด ํ•™์Šต์— ์œ ์šฉํ•œ YouTube ๋™์˜์ƒ์„ ์†Œ๊ฐœํ•ฉ๋‹ˆ๋‹ค. ์ „ ์„ธ๊ณ„ ์ตœ๊ณ ์˜ ์„ ์ƒ๋‹˜๋“ค์ด ๊ฐ€๋ฅด์น˜๋Š” ์˜์–ด ์ˆ˜์—…์„ ๋ณด๊ฒŒ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๊ฐ ๋™์˜์ƒ ํŽ˜์ด์ง€์— ํ‘œ์‹œ๋˜๋Š” ์˜์–ด ์ž๋ง‰์„ ๋”๋ธ” ํด๋ฆญํ•˜๋ฉด ๊ทธ๊ณณ์—์„œ ๋™์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค. ๋น„๋””์˜ค ์žฌ์ƒ์— ๋งž์ถฐ ์ž๋ง‰์ด ์Šคํฌ๋กค๋ฉ๋‹ˆ๋‹ค. ์˜๊ฒฌ์ด๋‚˜ ์š”์ฒญ์ด ์žˆ๋Š” ๊ฒฝ์šฐ ์ด ๋ฌธ์˜ ์–‘์‹์„ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์˜ํ•˜์‹ญ์‹œ์˜ค.

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