10 fun abubuwa game da m tef

M tef za a iya samu a cikin kayan aiki da akwatin a wani zamani gida. Duk da haka, m wannan m samfurin ke da nisa fiye gida gyare-gyare. Kafin mu wasu ban sha'awa facts game da tef.

1. Yana da aka kirkiro domin soja dalilai

Kafin sabuwar dabara na masking tef kwalaye na harsasai da aka aika zuwa sansanin soja, shãfe haske da kakin zuma. Wannan ya yi domin adana su ke ciki hana ruwa. Kwali bude yatsun gam takarda tsiri, karshen abin da sun rataye ga sojoji cikin sauri iya bude akwatin. A mafi yawan lokuta, da shafuka a kan takarda nipped kwalaye har yanzu a sufuri. Saboda haka, da sojoji ya sha wahala domin wani dogon lokaci, bude samu ammonium. Wannan ba za a iya yarda kamar yadda lokaci ya tafi a kan na biyu.

Fatan ko ta yaya warware wannan matsala, biyu Navy matuƙan sun rubuta wata wasika zuwa ga shugaban kasar Franklin Roosevelt. Harafin dauke da request: abin da idan for kayyade da kwalaye na ammonium don amfani mai hana ruwa masana'anta a kan m-akai? Saboda haka, protrusion tef, ana amfani domin bude, za a zama kullum a wurin, da kuma sojojin da za su taimaka kanka daga ba dole ba ƙungiyoyi. Wannan, bi da bi, ya ceci mutane da yawa a fagen yaƙi. Roosevelt acceded ga request, a tuntuɓi manufacturer na Johnson & Johnson kamfanin. A sakamakon haka, mutane sun sami wani karfi mai hana ruwa tef, wanda kuranye musu na su da wahala.

2. Da farko, wani sabon firtsi a cikin sojoji 'bariki kira "duck"

The asalin halittar m tef kulla ta rare sunan, wanda a zamaninmu ya rasa ta munasaba. A samfurin kunshi uku babban aka gyara: ƙananan Layer m, a raga masana'anta, da kuma na sama polyethylene Layer. A babba samfurin Layer a haɗe ƙarin ƙarfin da ruwa juriya. A cewar masana'antun, da sojoji nan da nan suka zo tare da m tef laƙabi "Duck", yana nufin da ikon tare danshi.

3. A stickiness daga cikin kayan samu ta hanyar jiki matakai

Mutane da yawa adhesives a mannewa aiwatar da surface ratsa jiki canje-canje da kuma taurara. Ka'idar aiki na m tef sauran. Stickiness generated da laushi polymer cakuda, wadda ta haɗu da biyu bonded saman. By kansu, wadannan intermolecular sojojin ne da rauni, amma da hulda da juna, za su iya goyon bayan sosai nauyi. A m Layer a kan m tef ne ba batun sunadarai canje-canje, wanda shi ne dalilin da ya sa wannan abu shi ne manufa domin wucin gadi kam.

4. Yana ba za a iya amfani da a ducts

A postwar lokaci, da samfurin da sauri popularized matsayin dace abu a cikin shiri da kuma gyara. Da farko da tef ne yadu amfani ga kayyade da karfe bututu. Ya ya samu wani sabon sunan barkwanci, da kuma bayyanar da aka sabunta tare da aluminum foda spraying. A zamanin yau, duk da haka, ra'ayin kayyade iska ducts da za a yi watsi saboda aminci take hakki. Yana iya zaci cewa iska ducts - kawai yankin a aikace-aikace inda m tef sha wahala cikakken fiasco.

5. Ya taimake ajiye tawagar, "Apollo 13"

Bayan fashewa, da sabis module a kan jirgin cikin jirgin "Apollo 13" uku ma'aikatan jirgin, an hõre mummunan hatsari. NASA injiniyoyi aka yanke shawarar ajiye umarnin daga cikin sauri yada a cikin jirgin, ta hanyar carbon dioxide sababbu magudi. Kwali, roba fakitoci da m tef aka gina kwat da wando hidima a matsayin tace ga carbon dioxide. Wannan shawarar kyakkyawan ajiye rayuwar 'yan saman jannati. Tun daga nan, da m tef ya zama wani makawa kayan aiki a yanayi na karfi majeure sarari manufa.

6. An yi amfani da su hana kamuwa da cutar

Nosocomial cututtuka a shekara kawo 99 dubu rayuwar marasa lafiya a Amurka. Don rage mace-mace bakin kofa, daya daga cikin cibiyoyin harkokin likita, a tsakiyar yamma, ta fito da wani sauki bayani: amfani da masking tef zuwa alama da aminci zone. A asibitoci dole metered mita square, mikawa zurfi a cikin shirayin ƙofar. Saboda haka, likitoci na iya zama sha'awar haƙuri da yanayin, sake ba tare da gabatowa da shi. Yana kula da sterility kuma 'yan karin sa'o'i na lokaci ma'aikata.

7. "Mythbusters" kishin wani labarin uku aukuwa

Halittawa daga cikin rare jerin samu tef karkashin mafi matsananci yanayi, daga gine-gine na gun da halittar wani aiki gada dauke da SUV. Na 18 gwada kasa debunk camfin daya kawai.

8. Akwai festival sadaukar da Scotch

Tun shekarar 2005, a garin Avon, Ohio, runduna da shekara-shekara Festival na bututu tef. Akwai za ka iya shiga a cikin farati, a fashion show, ganin sassaka da kawai da fun.

9. Yanzu akwai wani kaset ga dukan lokatai

A halin yanzu, masana'antun bayar da dama iri m tef, ciki har da hadin, glowing a cikin duhu, har ma dace da yin amfani da makaman nukiliya ikon shuke-shuke.

10. Costume na m tef aikatãwa malanta

American masana'antun sun fito da wani asali scotch gasar a tsakanin makarantar sakandare dalibai. Digiri a kowace shekara zayyana kayayyaki da kuma riguna daga tef. Nasara sami Grant na 10 dala dubu da kari.