T\u00f4i v\u1ed1n ngh\u1ec1 h\u00f3a h\u1ecdc. C\u00f3 th\u1ec3, ng\u01b0\u1eddi ta s\u1ebd t\u1ef1 h\u1ecfi, t\u00f4i t\u00ecm g\u00ec \u1edf \u0111\u00e2y, t\u1ea1i ng\u00f4i \u0111\u1ec1n c\u1ee7a v\u0103n ch\u01b0\u01a1ng, gi\u1eefa c\u00e1c ngh\u1ec7 nh\u00e2n c\u1ee7a ch\u1eef ngh\u0129a c\u00f3 m\u1eb7t h\u00f4m nay n\u00e0y. V\u00e2ng, t\u00f4i ng\u1ed3i \u0111\u00e2y b\u1edfi t\u00f4i \u0111\u00e3 tr\u1edf th\u00e0nh ng\u01b0\u1eddi phi\u00ean d\u1ecbch v\u0103n ch\u01b0\u01a1ng, d\u1ecbch c\u00e1c ti\u1ec3u thuy\u1ebft ti\u1ebfng \u0110\u1ee9c c\u1ee7a Eugen Ruge, Thomas Bernhard, Siegfried Lenz, Natascha Wodin sang ti\u1ebfng Vi\u1ec7t; v\u00e0 t\u00f4i d\u00e1m qu\u1ea3 quy\u1ebft r\u1eb1ng, gi\u1eefa h\u00f3a h\u1ecdc v\u00e0 v\u0103n ch\u01b0\u01a1ng c\u00f3 nhi\u1ec1u n\u00e9t t\u01b0\u01a1ng \u0111\u1ed3ng. C\u00e1c n\u00e9t t\u01b0\u01a1ng \u0111\u1ed3ng kh\u00f4ng ch\u1ec9 n\u1eb1m \u1edf ch\u1ed7 c\u1ea3 h\u00f3a h\u1ecdc l\u1eabn v\u0103n ch\u01b0\u01a1ng \u0111\u1ec1u c\u00f3 th\u1ec3, ch\u1eb3ng h\u1ea1n, ng\u1ecdt ng\u00e0o hay chua ch\u00e1t, t\u1ed1t l\u00e0nh hay \u0111\u1ed9c \u0111\u1ecba, t\u1ea1o h\u01b0ng ph\u1ea5n hay g\u00e2y \u0111\u1ed5 v\u1ee1 m\u00e0 th\u00f4i. C\u00e1c n\u00e9t t\u01b0\u01a1ng \u0111\u1ed3ng c\u00f2n xuy\u00ean s\u00e2u h\u01a1n nhi\u1ec1u. S\u00e2u t\u1eadn g\u1ed1c, xuy\u00ean t\u1eadn r\u1ec5.<\/p>\n
Trong h\u00f3a h\u1ecdc, ta nghi\u00ean c\u1ee9u c\u00e1c nguy\u00ean t\u1ed1, nguy\u00ean t\u1eed, ph\u00e2n t\u1eed h\u1ee3p ch\u1ea5t \u0111\u01b0\u1ee3c chi ph\u1ed1 b\u1edfi c\u00e1c qui lu\u1eadt c\u1ee7a t\u1ef1 nhi\u00ean. Trong v\u0103n ch\u01b0\u01a1ng, ta xoay x\u1edf v\u1edbi c\u00e1c con ch\u1eef, v\u1edbi c\u00e2u c\u00fa \u0111\u01b0\u1ee3c t\u1ea1o n\u00ean theo c\u00e1c lu\u1eadt l\u1ec7, qui \u01b0\u1edbc do con ng\u01b0\u1eddi ch\u00fang ta \u0111\u1eb7t ra. V\u00e0, trong khi s\u1ef1 \u0111a d\u1ea1ng v\u00e0 phong ph\u00fa c\u1ee7a to\u00e0n b\u1ed9 v\u0169 tr\u1ee5, trong \u0111\u00f3 l\u00e0 th\u1ebf gi\u1edbi ch\u00fang ta t\u1ed3n t\u1ea1i, ch\u1ec9 d\u1ef1a tr\u00ean n\u1ec1n t\u1ea3ng c\u1ee7a m\u1ed9t s\u1ed1 nh\u1ea5t \u0111\u1ecbnh c\u00e1c nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc, th\u00ec th\u1ebf gi\u1edbi kh\u00f4ng c\u00f9ng v\u00f4 c\u00f9ng v\u00f4 t\u1eadn c\u1ee7a t\u1eeb ng\u1eef v\u00e0 ch\u1eef ngh\u0129a, b\u1ea5t k\u1ec3 l\u00e0 t\u1eeb ng\u1eef, ch\u1eefa ngh\u0129a c\u1ee7a d\u00e2n t\u1ed9c n\u00e0o, c\u0169ng ch\u1ec9 d\u1ef1a tr\u00ean m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf c\u00e1c ch\u1eef c\u00e1i hay n\u00e9t v\u1ebd \u0111\u1ec3 h\u00ecnh th\u00e0nh v\u00e0 ph\u00e1t tri\u1ec3n m\u00e0 th\u00f4i. Th\u1ebf gi\u1edbi \u00e2m thanh hay th\u1ebf gi\u1edbi m\u00e0u s\u1eafc c\u0169ng v\u1eady. T\u00f4i kh\u00f4ng bi\u1ebft \u0111\u00e3 c\u00f3 ai n\u00f3i hay vi\u1ebft v\u1ec1 \u0111i\u1ec1u n\u00e0y hay ch\u01b0a. Nh\u01b0ng v\u1edbi ri\u00eang t\u00f4i, \u0111\u00f3 l\u00e0 \u0111i\u1ec1u k\u1ef3 di\u1ec7u th\u1ef1c s\u1ef1.<\/p>\n
Kh\u00f4ng c\u1ea7n \u0111i v\u00e0o chi ti\u1ebft v\u00e0 d\u1eabn ra nhi\u1ec1u th\u00ed d\u1ee5 l\u00e0m g\u00ec, ch\u00fang ta ai c\u0169ng v\u1eabn bi\u1ebft, c\u1ea3 k\u1ef9 ngh\u1ec7 ch\u1ebf bi\u1ebfn v\u00e0 s\u1eed d\u1ee5ng c\u00e1c nguy\u00ean t\u1ed1 v\u00e0 ph\u00e2n t\u1eed h\u00f3a h\u1ecdc, l\u1eabn ngh\u1ec7 thu\u1eadt s\u1eed d\u1ee5ng c\u00e1c ch\u1eef c\u00e1i v\u00e0 con ch\u1eef \u0111\u1ec1u c\u00f3 th\u1ec3 mang h\u1ea1nh ph\u00fac \u0111\u1ebfn tay hay g\u00e2y h\u1ecda cho con ng\u01b0\u1eddi ch\u00fang ta. Th\u1ebf nh\u01b0ng, t\u00f4i mu\u1ed1n d\u1eebng vi\u1ec7c v\u1ea1ch c\u00e1c n\u00e9t t\u01b0\u01a1ng \u0111\u1ed3ng hay song song gi\u1eefa hai l\u0129nh v\u1ef1c \u1ea5y \u1edf \u0111\u00e2y. V\u1ea1ch ra c\u00e1c n\u00e9t t\u01b0\u01a1ng \u0111\u1ed3ng song song, tuy c\u00f3 th\u00fa v\u1ecb th\u1eadt, nh\u01b0ng \u0111\u00f4i khi c\u0169ng v\u00f4 ngh\u0129a, b\u1edfi x\u00e9t cho c\u00f9ng, c\u00e1c n\u00e9t song song c\u00f3 bao gi\u1edd g\u1eb7p nhau \u0111\u00e2u.<\/p>\n
M\u1ed9t anh b\u1ea1n c\u1ee7a t\u00f4i c\u00f3 l\u1ebd \u0111\u00e3 c\u00f3 l\u00fd, khi anh l\u1ea5y l\u00e0m e ng\u1ea1i r\u1eb1ng, ngo\u00e0i ti\u1ebfng kh\u00f3c l\u00fac ch\u00e0o \u0111\u1eddi v\u00e0 s\u1ef1 c\u00e2m l\u1eb7ng l\u00fac k\u1ebft th\u00fac \u0111\u1eddi ng\u01b0\u1eddi, c\u00f3 l\u1ebd kh\u00f4ng c\u00f2n g\u00ec n\u1eefa c\u00f3 th\u1ec3 xem l\u00e0 tuy\u1ec7t \u0111\u1ed1i gi\u1ed1ng nhau trong m\u1ecdi ng\u00f4n ng\u1eef. \u1ede gi\u1eefa l\u00e0 s\u1ef1 trao \u0111\u1ed5i th\u00f4ng tin, kh\u00f4ng ng\u1eebng v\u00e0 v\u0129nh vi\u1ec5n, b\u1eb1ng m\u1ecdi th\u1ee9 ng\u00f4n ng\u1eef \u1edf \u0111\u1eddi. V\u00e0, \u0111\u1ec3 trao \u0111\u1ed5i th\u00f4ng tin, ng\u01b0\u1eddi ta ph\u1ea3i c\u1ea7n \u0111\u1ebfn \u0111\u1ee7 c\u00e1c lo\u1ea1i th\u00f4ng d\u1ecbch vi\u00ean kh\u00e1c nhau.<\/p>\n
Ngh\u1ec9 h\u01b0u, t\u00f4i kh\u00f4ng mu\u1ed1n l\u00fac n\u00e0o c\u0169ng ng\u1ed3i \u00f4m l\u1ea5y m\u00e0n \u1ea3nh TV. L\u00ean t\u00e0u th\u1ee7y l\u00eanh \u0111\u00eanh du l\u1ecbch c\u00e1c \u0111\u1ea1i d\u01b0\u01a1ng t\u00f4i kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng. Gom nh\u1eb7t ve chai b\u00e1n l\u1ea5y ti\u1ec1n th\u00ec t\u00f4i ch\u01b0a \u0111\u1ebfn n\u1ed7i ph\u1ea3i l\u00e0m. C\u00f3 l\u1ebd \u0111\u00f3 l\u00e0 l\u00fd do khi\u1ebfn t\u00f4i mu\u1ed1n tr\u1edf th\u00e0nh m\u1ed9t trong s\u1ed1 v\u00f4 v\u00e0n nh\u1eefng ng\u01b0\u1eddi phi\u00ean d\u1ecbch m\u00e0 thi\u00ean h\u1ea1 c\u1ea7n c\u00f3 cho c\u00f4ng cu\u1ed9c th\u00f4ng th\u01b0\u01a1ng v\u00e0 hi\u1ec3u bi\u1ebft l\u1eabn nhau gi\u1eefa c\u00e1c d\u00e2n t\u1ed9c. T\u00f4i tr\u1edf th\u00e0nh ng\u01b0\u1eddi phi\u00ean d\u1ecbch, mang theo trong l\u00f2ng m\u1ed9t t\u00e2m ni\u1ec7m r\u1eb1ng, t\u00f4i s\u1ebd h\u1ecdc c\u00e1ch s\u1eed d\u1ee5ng ch\u1eef ngh\u0129a c\u1ee7a c\u00e1c ng\u00f4n ng\u1eef kh\u00e1c nhau m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn v\u00e0 \u0111\u1ea7y tr\u00e1ch nhi\u1ec7m, y nh\u01b0 tr\u01b0\u1edbc \u0111\u00e2y t\u00f4i \u0111\u00e3 h\u1ecdc c\u00e1ch s\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t v\u1eady.<\/p>\n
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