{"id":25405,"date":"2021-12-28T18:30:52","date_gmt":"2021-12-28T11:30:52","guid":{"rendered":"https:\/\/jobsgo.vn\/blog\/?p=25405"},"modified":"2024-05-06T14:53:27","modified_gmt":"2024-05-06T07:53:27","slug":"cai-thien-tinh-trang-o-nhiem-tieng-on-noi-lam-viec","status":"publish","type":"post","link":"https:\/\/jobsgo.vn\/blog\/cai-thien-tinh-trang-o-nhiem-tieng-on-noi-lam-viec\/","title":{"rendered":"\u00d4 nhi\u1ec5m ti\u1ebfng \u1ed3n n\u01a1i l\u00e0m vi\u1ec7c: T\u00e1c h\u1ea1i th\u1ebf n\u00e0o? Ng\u0103n ch\u1eb7n ra sao?"},"content":{"rendered":"\n
\u00d4 nhi\u1ec5m ti\u1ebfng \u1ed3n n\u01a1i l\u00e0m vi\u1ec7c<\/a> kh\u00f4ng ch\u1ec9 g\u00e2y m\u1ea5t t\u1eadp trung, l\u00e0m gi\u1ea3m n\u0103ng su\u1ea5t l\u00e0m vi\u1ec7c m\u00e0 c\u00f2n t\u00e1c \u0111\u1ed9ng x\u1ea5u \u0111\u1ebfn s\u1ee9c kh\u1ecfe tinh th\u1ea7n v\u00e0 th\u1ec3 ch\u1ea5t c\u1ee7a ng\u01b0\u1eddi lao \u0111\u1ed9ng.<\/span><\/i><\/span><\/p>\n M\u1ee5c l\u1ee5c<\/p> Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 \u00e2m thanh \u0111\u1ec1u \u0111\u01b0\u1ee3c coi l\u00e0 \u00f4 nhi\u1ec5m ti\u1ebfng \u1ed3n. T\u1ed5 ch\u1ee9c Y t\u1ebf Th\u1ebf gi\u1edbi (WHO) \u0111\u1ecbnh ngh\u0129a, \u00f4 nhi\u1ec5m ti\u1ebfng \u1ed3n l\u00e0 ti\u1ebfng \u1ed3n tr\u00ean 65 decibel (dB). N\u00f3i m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, ti\u1ebfng \u1ed3n c\u00f3 h\u1ea1i khi v\u01b0\u1ee3t qua 75 decibel v\u00e0 g\u00e2y \u0111au \u0111\u1edbn khi \u0111\u1ea1t 120 decibel.\u00a0<\/span><\/p>\n Theo WHO, \u00f4 nhi\u1ec5m ti\u1ebfng \u1ed3n l\u00e0 m\u1ed9t trong nh\u1eefng m\u1ed1i \u0111e d\u1ecda t\u1eeb m\u00f4i tr\u01b0\u1eddng nguy hi\u1ec3m nh\u1ea5t \u0111\u1ed1i v\u1edbi s\u1ee9c kh\u1ecfe. V\u00e0 theo C\u01a1 quan M\u00f4i tr\u01b0\u1eddng Ch\u00e2u \u00c2u (EEA), ti\u1ebfng \u1ed3n l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y ra 16.600 ca t\u1eed vong s\u1edbm v\u00e0 h\u01a1n 72.000 ca nh\u1eadp vi\u1ec7n m\u1ed7i n\u0103m ch\u1ec9 t\u00ednh ri\u00eang \u1edf Ch\u00e2u \u00c2u.<\/span><\/p>\n Ti\u1ebfng \u1ed3n \u1edf n\u01a1i l\u00e0m vi\u1ec7c c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng x\u1ea5u t\u1edbi ng\u01b0\u1eddi lao \u0111\u1ed9ng theo nhi\u1ec1u c\u00e1ch kh\u00e1c nhau.<\/span><\/p>\n Kh\u00f4ng ch\u1ec9 deadline v\u00e0 m\u00e2u thu\u1eabn v\u0103n ph\u00f2ng, ti\u1ebfng \u1ed3n c\u0169ng l\u00e0m t\u0103ng m\u1ee9c \u0111\u1ed9 c\u0103ng th\u1eb3ng \u1edf ng\u01b0\u1eddi lao \u0111\u1ed9ng. Ti\u1ebfp x\u00fac l\u00e2u v\u1edbi m\u1ed9t s\u1ed1 ti\u1ebfng \u1ed3n nh\u1ea5t \u0111\u1ecbnh s\u1ebd k\u00edch ho\u1ea1t c\u00e1c ph\u1ea3n \u1ee9ng c\u0103ng th\u1eb3ng trong c\u01a1 th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u0103ng huy\u1ebft \u00e1p v\u00e0 nh\u1ecbp tim.<\/span><\/p>\n Ngay c\u1ea3 nh\u1eefng \u00e2m thanh t\u01b0\u1edfng ch\u1eebng b\u00ecnh th\u01b0\u1eddng nh\u01b0 chu\u00f4ng \u0111i\u1ec7n tho\u1ea1i, c\u00e1c cu\u1ed9c tr\u00f2 chuy\u1ec7n c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nh\u1ecbp tim.<\/span><\/p>\n \ud83d\udc49 Xem th\u00eam: <\/i><\/b>C\u00e1ch \u1ee9ng ph\u00f3 v\u1edbi c\u0103ng th\u1eb3ng m\u00f9a d\u1ecbch Covid 19 cho d\u00e2n v\u0103n ph\u00f2ng<\/i><\/b><\/a><\/span><\/span><\/p>\n \u00c2m thanh, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u00e2m thanh tr\u00f2 chuy\u1ec7n \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng nh\u1ea5t trong danh s\u00e1ch nh\u1eefng y\u1ebfu t\u1ed1 g\u00e2y m\u1ea5t t\u1eadp trung \u1edf n\u01a1i l\u00e0m vi\u1ec7c. Chuy\u00ean gia thi\u1ebft k\u1ebf n\u01a1i l\u00e0m vi\u1ec7c Alan Hedge t\u1ea1i Cornell cho bi\u1ebft: “\u00c2m thanh ph\u00e1t ra t\u1eeb m\u1ed9t ng\u01b0\u1eddi kh\u00e1c \u0111\u00e1ng lo ng\u1ea1i h\u01a1n nhi\u1ec1u so v\u1edbi \u00e2m thanh \u0111\u01b0\u1ee3c ph\u00e1t ra t\u1eeb m\u1ed9t c\u00f4 m\u00e1y. B\u1edfi v\u00ec v\u1edbi t\u01b0 c\u00e1ch l\u00e0 nh\u1eefng sinh v\u1eadt x\u00e3 h\u1ed9i, con ng\u01b0\u1eddi h\u00f2a h\u1ee3p h\u01a1n v\u1edbi \u00e2m thanh do con ng\u01b0\u1eddi t\u1ea1o ra”.<\/span><\/p>\n \ud83d\udc49 Xem th\u00eam: <\/i><\/b>7 \u1ee8ng d\u1ee5ng gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng t\u1eadp trung cao \u0111\u1ed9<\/i><\/b><\/a><\/span><\/span><\/p>\n Ng\u01b0\u1eddi lao \u0111\u1ed9ng c\u00f3 th\u1ec3 l\u00e0m vi\u1ec7c k\u00e9m hi\u1ec7u qu\u1ea3 t\u1edbi 66% khi nghe th\u1ea5y m\u1ed9t cu\u1ed9c tr\u00f2 chuy\u1ec7n g\u1ea7n \u0111\u00f3.<\/span><\/p>\n Trong m\u1ed9t th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c ph\u00e1t s\u00f3ng tr\u00ean k\u00eanh \u201cThe Secret Life of Buildings\u201d, nh\u00e0 ph\u00ea b\u00ecnh ki\u1ebfn \u200b\u200btr\u00fac Tom Pychoff \u0111\u00e3 tham gia m\u1ed9t th\u1eed nghi\u1ec7m li\u00ean quan \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng n\u00e3o b\u1ed9 khi l\u00e0m vi\u1ec7c trong m\u1ed9t kh\u00f4ng gian m\u1edf. Th\u1eed nghi\u1ec7m n\u00e0y cho th\u1ea5y “nh\u1eefng \u0111\u1ee3t m\u1ea5t t\u1eadp trung d\u1eef d\u1ed9i” trong ho\u1ea1t \u0111\u1ed9ng n\u00e3o c\u1ee7a anh.<\/span><\/p>\n \ud83d\udc49 Xem th\u00eam: <\/i><\/b>6 c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ec3 n\u00e2ng cao n\u0103ng su\u1ea5t l\u00e0m vi\u1ec7c c\u1ee7a b\u1ea1n<\/i><\/b><\/a><\/span><\/span><\/p>\n C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u1ed3ng \u00fd r\u1eb1ng vi\u1ec7c ti\u1ebfp x\u00fac v\u1edbi ti\u1ebfng \u1ed3n qu\u00e1 m\u1ee9c s\u1ebd k\u00edch th\u00edch h\u1ec7 th\u1ea7n kinh c\u1ee7a ch\u00fang ta – l\u00e0m t\u0103ng huy\u1ebft \u00e1p v\u00e0 gi\u1ea3i ph\u00f3ng c\u00e1c hormone c\u0103ng th\u1eb3ng.<\/span><\/p>\n V\u00e0 \u0111\u1ec3 ho\u00e0n th\u00e0nh nhi\u1ec7m v\u1ee5, ch\u00fang ta s\u1ebd ph\u1ea3i ch\u0103m ch\u1ec9 v\u00e0 n\u1ed7 l\u1ef1c h\u01a1n g\u1ea5p nhi\u1ec1u l\u1ea7n. Cu\u1ed1i c\u00f9ng, c\u1ea3m gi\u00e1c m\u1ec7t m\u1ecfi s\u1ebd \u1eadp t\u1edbi.<\/span><\/p>\n \ud83d\udc49 Xem th\u00eam: <\/i><\/b>Ki\u1ec7t s\u1ee9c t\u1ea1i n\u01a1i l\u00e0m vi\u1ec7c: Nguy\u00ean nh\u00e2n, d\u1ea5u hi\u1ec7u v\u00e0 c\u00e1ch th\u1ee9c v\u01b0\u1ee3t qua<\/i><\/b><\/a><\/span><\/span><\/p>\n M\u1ed9t nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean T\u1ea1p ch\u00ed T\u00e2m l\u00fd h\u1ecdc \u1ee8ng d\u1ee5ng cho th\u1ea5y nh\u1eefng ng\u01b0\u1eddi ti\u1ebfp x\u00fac v\u1edbi ti\u1ebfng \u1ed3n trong th\u1eddi gian d\u00e0i c\u00f3 xu h\u01b0\u1edbng c\u00fai xu\u1ed1ng v\u00e0 khom l\u01b0ng khi l\u00e0m vi\u1ec7c. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c b\u1ec7nh v\u1ec1 x\u01b0\u01a1ng kh\u1edbp.<\/span><\/p>\n \ud83d\udc49 Xem th\u00eam: <\/i><\/b>B\u00e0i t\u1eadp nh\u1ecf gi\u00fap c\u1ea3i thi\u1ec7n s\u1ee9c kh\u1ecfe cho ng\u01b0\u1eddi ng\u1ed3i nhi\u1ec1u tr\u01b0\u1edbc m\u00e1y t\u00ednh<\/i><\/b><\/a><\/span><\/span><\/p>\n Nhi\u1ec1u ng\u01b0\u1eddi ng\u0103n ch\u1eb7n \u00e2m thanh \u1ed3n \u00e0o xung quanh b\u1eb1ng c\u00e1ch \u0111eo tai nghe v\u00e0 l\u1ea1c v\u00e0o th\u1ebf gi\u1edbi c\u1ee7a ri\u00eang h\u1ecd. Tuy nhi\u00ean, h\u00e0nh vi n\u00e0y g\u00e2y ra kh\u00f4ng \u00edt t\u00e1c h\u1ea1i.<\/span><\/p>\n Khi \u0111eo tai nghe, ch\u00fang ta \u0111ang \u0111\u01b0a \u00e2m thanh \u0111\u1ebfn g\u1ea7n h\u01a1n v\u1edbi tai trong v\u00e0 \u1ed1c tai, \u00e2m thanh c\u00f3 th\u1ec3 l\u00ean t\u1edbi 9 decibel. M\u1ee9c \u00e2m l\u01b0\u1ee3ng cao c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng c\u00e1c t\u1ebf b\u00e0o l\u00f4ng nh\u1ea1y c\u1ea3m n\u1eb1m trong \u1ed1c tai (th\u1ee9 c\u00f3 nhi\u1ec7m v\u1ee5 chuy\u1ec3n ti\u1ebfp \u00e2m thanh \u0111\u1ebfn n\u00e3o).<\/span><\/p>\n Trong m\u00f4i tr\u01b0\u1eddng v\u0103n ph\u00f2ng, ch\u00fang ta b\u1ecb bao quanh b\u1edfi h\u00e0ng t\u00e1 nh\u1eefng phi\u1ec1n nhi\u1ec5u nh\u01b0 cu\u1ed9c tr\u00f2 chuy\u1ec7n, \u0111i\u1ec7n tho\u1ea1i \u0111\u1ed5 chu\u00f4ng. N\u01a1i l\u00e0m vi\u1ec7c c\u0169ng kh\u00f4ng t\u00e1ch bi\u1ec7t h\u1eb3n v\u1edbi \u00e2m thanh c\u1ee7a th\u1ebf gi\u1edbi b\u00ean ngo\u00e0i. Ph\u01b0\u01a1ng ti\u1ec7n giao th\u00f4ng, c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng c\u00f3 th\u1ec3 g\u00e2y ra ti\u1ebfng \u1ed3n li\u00ean t\u1ee5c, g\u00e2y m\u1ea5t t\u1eadp trung su\u1ed1t c\u1ea3 ng\u00e0y.<\/span><\/p>\n V\u00e0 \u0111\u1ea1i d\u1ecbch \u0111\u00e3 bu\u1ed9c nhi\u1ec1u ng\u01b0\u1eddi trong ch\u00fang ta ph\u1ea3i l\u00e0m vi\u1ec7c t\u1eeb xa. Nh\u01b0ng nh\u00e0 hi\u1ebfm khi l\u00e0 m\u1ed9t n\u01a1i l\u00e0m vi\u1ec7c y\u00ean t\u0129nh. Khi WFH<\/strong><\/a>, ch\u00fang ta s\u1ebd ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi r\u1ea5t nhi\u1ec1u lo\u1ea1i \u00e2m thanh kh\u00f3 ch\u1ecbu nh\u01b0 ti\u1ebfng h\u00e1t c\u1ee7a h\u00e0ng x\u00f3m, ti\u1ebfng m\u00e1y gi\u1eb7t ho\u1ea1t \u0111\u1ed9ng, ti\u1ebfng g\u00e0 k\u00eau ch\u00f3 s\u1ee7a,…<\/span><\/p>\n Trong s\u1ed1 \u0111\u00f3, gi\u1ecdng n\u00f3i ng\u1eaft qu\u00e3ng l\u00e0 th\u1ee9 \u00e2m thanh t\u1ec7 h\u01a1n c\u1ea3.<\/i><\/b><\/span><\/p>\n Julian Treasure – ng\u01b0\u1eddi \u0111\u1ee9ng \u0111\u1ea7u Sound Agency cho bi\u1ebft: “<\/span>C\u00f3 r\u1ea5t nhi\u1ec1u nghi\u00ean c\u1ee9u ch\u1ec9 ra r\u1eb1ng \u00e2m thanh c\u00f3 s\u1ee9c h\u1ee7y di\u1ec7t l\u1edbn nh\u1ea5t ch\u00ednh l\u00e0 cu\u1ed9c tr\u00f2 chuy\u1ec7n c\u1ee7a ng\u01b0\u1eddi kh\u00e1c<\/span><\/i>“. \u0110\u00e1ng bu\u1ed3n l\u00e0 \u0111\u00e2y l\u1ea1i ch\u00ednh l\u00e0 th\u1ee9 \u00e2m thanh ph\u1ed5 bi\u1ebfn nh\u1ea5t t\u1ea1i n\u01a1i l\u00e0m vi\u1ec7c. Ch\u00fang ta c\u00f3 th\u1ec3 ph\u1ea3i nghe th\u1ea5y n\u00f3 khi c\u00e1c \u0111\u1ed3ng nghi\u1ec7p ng\u1ed3i ph\u00eda sau quay l\u1ea1i v\u00e0 n\u00f3i chuy\u1ec7n v\u1edbi nhau; ho\u1eb7c khi ai \u0111\u00f3 \u0111ang nghe \u0111i\u1ec7n tho\u1ea1i.<\/span><\/span><\/p>\n Ti\u1ebfng \u1ed3n kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng x\u1ea5u. N\u00f3 c\u00f3 th\u1ec3 mang l\u1ea1i m\u1ed9t s\u1ed1 l\u1ee3i \u00edch nh\u1ea5t \u0111\u1ecbnh n\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng h\u1ee3p l\u00fd.<\/span><\/p>\n Trong m\u1ed9t nghi\u00ean c\u1ee9u t\u1ea1i \u0110\u1ea1i h\u1ecdc Illinois \u1edf Urbana – Champaign, nh\u1eefng ng\u01b0\u1eddi tham gia \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u th\u1ef1c hi\u1ec7n m\u1ed9t th\u1eed th\u00e1ch s\u00e1ng t\u1ea1o trong khi nghe c\u00e1c m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau c\u1ee7a \u00e2m thanh. H\u1ecd \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u \u0111\u01b0a ra c\u00e1c c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t vi\u00ean g\u1ea1ch.<\/span><\/p>\n Khi ph\u1ea3i \u0111\u1ed9ng n\u00e3o trong kh\u00f4ng gian c\u00f3 ti\u1ebfng \u1ed3n th\u1ea5p (50 decibel – m\u1ee9c \u0111\u1ed9 ti\u1ebfng \u1ed3n ph\u1ed5 bi\u1ebfn \u1edf m\u1ed9t v\u0103n ph\u00f2ng), nh\u1eefng ng\u01b0\u1eddi tham gia th\u1ef1c nghi\u1ec7m c\u00f3 xu h\u01b0\u1edbng s\u00e1ng t\u1ea1o k\u00e9m h\u01a1n so v\u1edbi khi th\u1eed th\u00e1ch trong kh\u00f4ng gian c\u00f3 m\u1ee9c \u0111\u1ed9 ti\u1ebfng \u1ed3n 70 decibel (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi \u00e2m thanh \u1edf c\u00e1c qu\u00e1n cafe nh\u1ed9n nh\u1ecbp). M\u1ee9c \u0111\u1ed9 ti\u1ebfng \u1ed3n t\u0103ng l\u00ean khi\u1ebfn nh\u1eefng ng\u01b0\u1eddi tham gia g\u1eb7p kh\u00f3 kh\u0103n khi suy ngh\u0129. V\u00e0 c\u00e0ng kh\u00f3 ngh\u0129, th\u00ec \u00fd t\u01b0\u1edfng c\u1ee7a h\u1ecd c\u00e0ng tr\u1edf n\u00ean tr\u1eebu t\u01b0\u1ee3ng v\u00e0 s\u00e1ng t\u1ea1o h\u01a1n.<\/span><\/p>\n Nh\u01b0ng khi ti\u1ebfng \u1ed3n t\u0103ng l\u00ean 85 decibel (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi ti\u1ebfng c\u1ee7a m\u1ed9t chi\u1ebfc xe t\u1ea3i ch\u1ea1y qua), vi\u1ec7c suy ngh\u0129 tr\u1edf n\u00ean kh\u00f3 kh\u0103n \u0111\u1ebfn m\u1ee9c kh\u1ea3 n\u0103ng s\u00e1ng t\u1ea1o m\u1ea5t \u0111i.<\/span><\/p>\n V\u00ec v\u1eady, c\u00e1c nh\u00e0 khoa h\u1ecdc k\u1ebft lu\u1eadn r\u1eb1ng, l\u01b0\u1ee3ng ti\u1ebfng \u1ed3n v\u1eeba ph\u1ea3i c\u00f3 th\u1ec3 th\u00fac \u0111\u1ea9y s\u1ef1 s\u00e1ng t\u1ea1o. V\u00e0 ng\u01b0\u1ee3c l\u1ea1i, ti\u1ebfng \u1ed3n qu\u00e1 nh\u1ecf ho\u1eb7c qu\u00e1 l\u1edbn c\u00f3 th\u1ec3 ph\u00e1 h\u1ee7y s\u1ef1 s\u00e1ng t\u1ea1o c\u1ee7a ch\u00fang ta.<\/span><\/p>\n Th\u1eadt may v\u00ec c\u00f3 nhi\u1ec1u bi\u1ec7n ph\u00e1p b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111\u1ec3 gi\u1ea3m ti\u1ebfng \u1ed3n n\u01a1i l\u00e0m vi\u1ec7c.<\/span><\/p>\n<\/a><\/p>\n
\u00d4 nhi\u1ec5m ti\u1ebfng \u1ed3n l\u00e0 g\u00ec?<\/span><\/strong><\/span><\/span><\/h2>\n
T\u00e1c h\u1ea1i c\u1ee7a ti\u1ebfng \u1ed3n \u1edf n\u01a1i l\u00e0m vi\u1ec7c<\/span><\/strong><\/span><\/span><\/h2>\n
Ti\u1ebfng \u1ed3n g\u00e2y c\u0103ng th\u1eb3ng<\/span><\/strong><\/span><\/span><\/h3>\n
<\/a>
Ti\u1ebfng \u1ed3n g\u00e2y m\u1ea5t t\u1eadp trung<\/span><\/strong><\/span><\/span><\/h3>\n
Ti\u1ebfng \u1ed3n l\u00e0m gi\u1ea3m n\u0103ng su\u1ea5t<\/span><\/strong><\/span><\/span><\/h3>\n
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Ti\u1ebfng \u1ed3n khi\u1ebfn ng\u00e0y l\u00e0m vi\u1ec7c tr\u1edf n\u00ean m\u1ec7t m\u1ecfi<\/span><\/strong><\/span><\/span><\/h3>\n
Ti\u1ebfng \u1ed3n c\u00f3 li\u00ean quan \u0111\u1ebfn c\u00e1c b\u1ec7nh v\u1ec1 x\u01b0\u01a1ng kh\u1edbp<\/span><\/strong><\/span><\/span><\/h3>\n
\u0110eo tai nghe c\u00f3 th\u1ec3 khi\u1ebfn v\u1ea5n \u0111\u1ec1 tr\u1edf n\u00ean t\u1ed3i t\u1ec7 h\u01a1n<\/span><\/strong><\/span><\/span><\/h3>\n
Lo\u1ea1i ti\u1ebfng \u1ed3n n\u00e0o t\u1ec7 nh\u1ea5t \u1edf n\u01a1i l\u00e0m vi\u1ec7c?<\/span><\/strong><\/span><\/span><\/h2>\n
<\/a>
Ti\u1ebfng \u1ed3n kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng x\u1ea5u<\/span><\/strong><\/span><\/span><\/h2>\n
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L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 gi\u1ea3m \u00f4 nhi\u1ec5m ti\u1ebfng \u1ed3n n\u01a1i l\u00e0m vi\u1ec7c?<\/span><\/strong><\/span><\/span><\/h2>\n
<\/a>
Gi\u1ea3m \u00f4 nhi\u1ec5m ti\u1ebfng \u1ed3n trong v\u0103n ph\u00f2ng<\/span><\/strong><\/span><\/span><\/h3>\n
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