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Kayan Polyester
Polyester wani nau'in polymer ne wanda ke ɗauke da rukunin aikin ester a cikin kowane sashi mai maimaitawa na babban sarkar su. A matsayin wani abu na musamman, galibi yana nufin wani nau'in da ake kira polyethylene terephthalate (PET). Polyesters sun haɗa da sinadarai na halitta, kamar a cikin tsire-tsire da kwari,...Kara karantawa -
Muhimman abubuwan da ake amfani da su a laima
Laima ko laima wani rufi ne mai naɗewa wanda aka ɗora shi da haƙarƙarin katako ko ƙarfe wanda galibi ana ɗora shi akan sandar katako, ƙarfe, ko filastik. An tsara shi ne don kare mutum daga ruwan sama ko hasken rana. Ana amfani da kalmar laima a al'ada wajen kare kansa daga ruwan sama, tare da laima lokacin da ...Kara karantawa -
Cancantar Gasar Cin Kofin Duniya ta FIFA ta 2022
Kungiyoyin FIFA guda shida na nahiyar sun shirya wasannin share fagen shiga gasar. Duk kungiyoyin mambobin FIFA guda 211 sun cancanci shiga gasar. Kungiyar kwallon kafa ta Qatar, a matsayinta na mai masaukin baki, ta cancanci shiga gasar ta atomatik. Duk da haka, Hukumar Kwallon Kafa ta Asiya (AFC) ta tilasta wa Q...Kara karantawa -
Tarihin FIFA
Bukatar wata hukuma guda da za ta kula da kwallon kafa ta ƙungiyoyi ta bayyana a farkon ƙarni na 20 tare da karuwar shaharar wasannin ƙasa da ƙasa. An kafa ƙungiyar ƙwallon ƙafa ta ƙasa da ƙasa (FIFA) a bayan hedikwatar ƙungiyar Union des Socié...Kara karantawa -
Menene Pongee?
Pongee wani nau'in yadi ne da aka saka da roba, wanda aka ƙirƙira ta hanyar saƙa da zare waɗanda aka juya ta hanyar canza matsewar zaren a tazara daban-daban. Pongee yawanci ana yin sa ne da siliki, kuma yana haifar da kamannin da aka yi da roba; silikin pongee sun kama daga kamannin da suka bayyana...Kara karantawa -
Adadin laima da aka naɗe
Adadin laima Laima ya bambanta sosai a yawan laima dangane da ƙirar aiki. Gabaɗaya, bisa ga adadin laima, kasuwar laima ta kasu kashi huɗu: laima madaidaiciya (mai lanƙwasa ɗaya), laima mai lanƙwasa biyu, laima mai lanƙwasa uku, f...Kara karantawa -
Asalin gashin ruwan sama
A shekarar 1747, injiniyan Faransa François Freneau ya yi ruwan sama na farko a duniya. Ya yi amfani da latex da aka samo daga itacen roba, sannan ya saka takalma da riguna na zane a cikin wannan maganin latex don shafawa da shafawa, sannan zai iya taka rawar hana ruwa shiga. A cikin masana'antar roba a Scotland, Ingila, ...Kara karantawa -
Asalin Jack-o'-lantern
Kabewa alama ce ta musamman ta Halloween, kuma kabewa lemu ce, don haka lemu ta zama launin Halloween na gargajiya. Sassaka fitilun kabewa daga kabewa kuma al'ada ce ta Halloween wacce tarihinta zai iya komawa ga tsohuwar Ireland. Tatsuniyar ta nuna cewa wani mutum mai suna Jack yana da wari sosai...Kara karantawa -
Ƙirƙirar Lamba
Tatsuniya ta nuna cewa Yun, matar Lu Ban, ita ma ƙwararren mai sana'a ce a zamanin da. Ita ce ta ƙirƙiro laima, kuma an ba mijinta laima ta farko don amfani da ita lokacin da ya fita don gina gidaje ga mutane. Kalmar "laima" ta daɗe tana wanzuwa, don haka...Kara karantawa -
Lamba ta Baya
Umbrella Mai Juyawa Laima mai juyawa, wacce za a iya rufe ta a juyar da alkibla, Jenan Kazim, mai shekaru 61, ta ƙirƙiro ta ne daga Birtaniya, kuma tana buɗewa da rufewa a akasin haka, wanda ke ba da damar ruwan sama ya fita daga laima. Laima mai juyawa kuma...Kara karantawa -
Hutun Ranar Ƙasa
Ranar Kasa ta China, hutu ne na jama'a a kasar Sin da ake yi kowace shekara a ranar 1 ga Oktoba a matsayin ranar kasa ta kasar Sin, wanda ke tunawa da sanarwar kafa Jamhuriyar Jama'ar kasar Sin a ranar 1 ga Oktoba 1949. Duk da cewa ana bikin a ranar 1 ga Oktoba, an...Kara karantawa -
Laima mai amfani da yanayi na kowane lokaci
Laima mai amfani da hasken rana a kowane lokaci ita ce kariya daga rana. Akwai laima mai naɗewa da yawa, komai ruwan sama ko rana, ana iya amfani da ita. To, akwai wata illa a amfani da laima mai amfani da duk lokacin yanayi? Gabaɗaya a'a. Mabuɗin kariya daga UV ya dogara ne akan an yi wa laima magani da UV. Kariyar UV...Kara karantawa
