T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 5 – Arkady Leokum<\/p>\n\n\n\n
Ch\u1eafc b\u1ea1n \u0111\u00e3 t\u1eebng th\u1ea5y c\u00f3 ng\u01b0\u1eddi l\u00fac n\u00e0o c\u0169ng b\u1ecfm b\u1ebbm, nh\u00f3p nh\u00e9p nhai c\u00e1i g\u00ec \u0111\u00f3 trong mi\u1ec7ng. Nhai ho\u00e0i, kh\u00f4ng nu\u1ed1t c\u0169ng kh\u00f4ng nh\u1ea3 ra. C\u00f3 th\u1ec3 anh ta \u0111ang nhai \u201ck\u1eb9o cao su\u201d \u0111\u00f3!?<\/p>\n\n\n\n
Nguy\u00ean li\u1ec7u c\u01a1 b\u1ea3n c\u1ee7a k\u1eb9o n\u00e0y t\u1ea5t nhi\u00ean l\u00e0 \u201ccao su\u201d v\u00e0 c\u00e1c ph\u1ee5 gia kh\u00e1c – c\u0169ng c\u01a1 b\u1ea3n kh\u00f4ng k\u00e9m – l\u00e0 \u0111\u01b0\u1eddng, b\u1ed9t (b\u1eafp), m\u00f9i (h\u01b0\u01a1ng v\u1ecb). \u201cCao su\u201d ch\u00ednh l\u00e0 c\u00e1i ta nhai c\u1ea3 gi\u1edd \u0111\u1ed3ng h\u1ed3 m\u00e0 kh\u00f4ng b\u1ecb \u201cti\u00eau hao\u201d bao nhi\u00eau, \u0111\u1ed3ng th\u1eddi kh\u00f4ng b\u1ecb r\u00e3 r\u1eddi, t\u01a1i t\u1ea3 ho\u1eb7c th\u00e0nh b\u1ed9t, tr\u00e1i l\u1ea1i, c\u1ee9 d\u00ednh v\u00e0o v\u1edbi nhau. m\u1ed7i h\u00e3ng ch\u1ebf t\u1ea1o \u0111\u1ec1u c\u00f3 b\u00ed quy\u1ebft ri\u00eang m\u00e0 h\u1ecd gi\u1eef k\u00edn. Nh\u01b0ng v\u1ec1 c\u01a1 b\u1ea3n th\u00ec c\u0169ng gi\u1ed1ng nhau c\u1ea3. T\u1ea5t nhi\u00ean, kh\u00e2u \u0111\u1ea7u ti\u00ean ph\u1ea3i l\u00e0 ch\u1ebf t\u1ea1o \u201ccao su\u201d. Nguy\u00ean li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c l\u00e0m cho ch\u1ea3y ra v\u00e0 ti\u1ec7t tr\u00f9ng trong c\u00e1c l\u00f2 h\u01a1i n\u01b0\u1edbc c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u0111\u01b0\u1ee3c b\u01a1m qua m\u00e1y ly t\u00e2m. m\u00e1y n\u00e0y quay v\u1edbi t\u1ed1c \u0111\u1ed9 r\u1ea5t cao \u0111\u1ec3 lo\u1ea1i nh\u1eefng c\u1eb7n, v\u1ecf\u2026 l\u1eabn trong cao su th\u00f4.<\/p>\n\n\n\n
Sau khi \u0111\u01b0\u1ee3c l\u00e0m ch\u1ea3y m\u1ec1m ra v\u00e0 t\u1ea9y s\u1ea1ch, \u201ccao su\u201d \u0111\u01b0\u1ee3c tr\u1ed9n \u0111\u01b0\u1eddng, b\u1ed9t b\u1eafp, h\u01b0\u01a1ng v\u1ecb. Th\u01b0\u1eddng th\u01b0\u1eddng ph\u1ee5 gia n\u00e0y g\u1ed3m kho\u1ea3ng 20% tr\u1ecdng l\u01b0\u1ee3ng l\u00e0 \u201ccao su\u201d, 63% l\u00e0 \u0111\u01b0\u1eddng, 16% l\u00e0 b\u1ed9t b\u1eafp, v\u00e0 kho\u1ea3ng 1% l\u00e0 d\u1ea7u h\u01b0\u01a1ng v\u1ecb t\u1ed1. Ngo\u00e0i ra ng\u01b0\u1eddi ta c\u0169ng th\u00eam b\u1ea1c h\u00e0, \u0111inh h\u01b0\u01a1ng, qu\u1ebf.<\/p>\n\n\n\n
H\u1ee3p ch\u1ea5t n\u00e0y l\u00fac c\u00f2n \u00e2m \u1ea5m \u0111\u01b0\u1ee3c \u0111em \u00e9p m\u1ecfng th\u00e0nh mi\u1ebfng, r\u1ed3i b\u1ed9t \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c r\u1eafc l\u00ean \u1edf c\u1ea3 hai ph\u00eda \u0111\u1ec3 ng\u1eeba \u201ccao su\u201d d\u00ednh v\u00e0o gi\u1ea5y bao. Sau \u0111\u00f3 m\u00e1y c\u1eaft th\u00e0nh mi\u1ebfng nho nh\u1ecf, m\u00e1y g\u00f3i gi\u1ea5y bao l\u1ea1i v\u00e0 cho v\u00e0o b\u1ecdc.<\/p>\n\n\n\n
Tuy nhi\u00ean c\u00e1i \u0111i\u1ec1u l\u00fd th\u00fa n\u1eb1m \u1edf c\u00e2u h\u1ecfi n\u00e0y. C\u00e1i m\u00e0 ta g\u1ecdi l\u00e0 cao su trong k\u1eb9o c\u00f3 ph\u1ea3i l\u00e0 th\u1ee9 cao su d\u00f9ng ch\u1ebf b\u00e1nh xe h\u01a1i, n\u1ec7m m\u00fat\u2026 kh\u00f4ng? Th\u1eadt ra n\u00f3 ch\u1ec9 l\u00e0 ch\u1ea5t nh\u1ef1a t\u1ed5ng h\u1ee3p, ngh\u0129a l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m c\u00f4ng nghi\u1ec7p ch\u1ee9 kh\u00f4ng ph\u1ea3i cao su t\u1ef1 nhi\u00ean. Tuy nhi\u00ean, c\u0169ng c\u00f3 m\u1ed9t v\u00e0i th\u1ee9 nh\u1ef1a t\u1ef1 nhi\u00ean – nh\u01b0 lo\u1ea1i nh\u1ef1a sa-p\u00f4 (chicle) – l\u1ea5y t\u1eeb th\u1ef1c v\u1eadt ra. Nh\u1ef1a \u201cchicle\u201d l\u1ea5y t\u1eeb c\u00e2y \u201csa-p\u00f4\u201d (h\u1ed3ng xi\u00eam) d\u1ea1i m\u1ecdc \u1edf Guatemala v\u00e0 Mexico. Nh\u1ef1a tr\u1eafng nh\u01b0 s\u1eefa c\u1ee7a lo\u1ea1i c\u00e2y n\u00e0y c\u0169ng gi\u1ed1ng nh\u01b0 nh\u1ef1a cao su v\u00e0 c\u00e1ch l\u1ea5y nh\u1ef1a c\u0169ng nh\u01b0 c\u00e1ch l\u1ea5y nh\u1ef1a cao su. Sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111em \u0111\u1ebfn nh\u00e0 m\u00e1y \u0111\u1ec3 \u201cc\u00f4 \u0111\u1eb7c\u201d l\u1ea1i th\u00e0nh \u201cb\u00e1nh\u201d n\u1eb7ng ch\u1eebng 12kg v\u00e0 \u0111\u00f3ng t\u00e0u g\u1edfi \u0111\u1ebfn c\u00e1c x\u01b0\u1edfng l\u00e0m k\u1eb9o.<\/p>\n\n\n\n
Kh\u1edfi th\u1ee7y c\u1ee7a \u201ck\u1eb9o cao su\u201d l\u00e0 th\u1ea5y th\u1ed5 d\u00e2n Trung M\u1ef9 nhai nh\u1ef1a c\u00e2y n\u00e0y, nh\u1eefng ng\u01b0\u1eddi \u00c2u \u0111\u1ebfn \u0111\u1ecbnh c\u01b0 \u1edf \u0111\u00e2y \u0111\u00e3 \u0111\u01b0\u1ee3c b\u00e1n ra t\u1eeb th\u1eadp ni\u00ean \u0111\u1ea7u ti\u00ean c\u1ee7a th\u1ebf k\u1ef7 XIX. Nh\u1ef1a \u201cchicle\u201d \u0111\u01b0\u1ee3c nh\u1eadp kh\u1ea9u v\u00e0o Hoa K\u1ef3 t\u1eeb n\u0103m 1860 \u0111\u1ec3 ch\u1ebf t\u1ea1o c\u00e1c s\u1ea3n ph\u1ea9m cao su. Th\u1ebf r\u1ed3i \u0111\u1ebfn n\u0103m 1890, do c\u00f3 nhi\u1ec1u lo\u1ea1i c\u00e2y c\u00f3 nh\u1ef1a (m\u1ee7) kh\u00e1c \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n nh\u01b0 c\u00e2y heveas ch\u1eb3ng h\u1ea1n, n\u00ean m\u1ee7 \u201cchicle\u201d ch\u1ec9 d\u00f9ng \u0111\u1ec3 l\u00e0m k\u1eb9o. T\u1eeb \u0111\u00f3 \u0111\u1ebfn nay, k\u1eb9o cao su \u0111\u00e3 th\u00e0nh m\u1ed9t ng\u00e0nh kinh doanh l\u1edbn.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 5 – Arkady Leokum Ch\u1eafc b\u1ea1n \u0111\u00e3 t\u1eebng th\u1ea5y c\u00f3 ng\u01b0\u1eddi l\u00fac n\u00e0o c\u0169ng b\u1ecfm b\u1ebbm, nh\u00f3p nh\u00e9p nhai c\u00e1i g\u00ec \u0111\u00f3 trong mi\u1ec7ng. Nhai ho\u00e0i, kh\u00f4ng nu\u1ed1t c\u0169ng kh\u00f4ng nh\u1ea3 ra. C\u00f3 th\u1ec3 anh ta \u0111ang nhai \u201ck\u1eb9o cao su\u201d \u0111\u00f3!? Nguy\u00ean […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15],"tags":[],"class_list":["post-14580","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14580","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=14580"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14580\/revisions"}],"predecessor-version":[{"id":14581,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14580\/revisions\/14581"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=14580"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=14580"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=14580"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}