Gaskiya mai ban sha'awa game da karafa Wata babbar dama ce don ƙarin koyo game da kayan aikin da aka yi amfani da su a masana'antar da dalilan gida. Sun bambanta cikin ƙarfi, ƙima, haɓakar yanayin zafi da sauran halaye da yawa. Wasu ana samunsu ta dabi'a, yayin da wasu kuma da sinadarai ake haƙa.
Don haka, a nan akwai mafi kyawun abubuwa game da karafa.
- Azurfa ita ce mafi tsufa ma'adinai. A lokacin hakar ma'adinai, masana kimiyya sun yi nasarar gano kayan azurfa waɗanda suka kasance a cikin ƙasa tsawon shekaru dubu shida.
- A zahiri, lambobin "zinariya" na Gasar Olympic sun kai kashi 95-99% na azurfa.
- Gefen tsabar kuɗin, waɗanda suke da sanannun sanannun - rim ɗin, suna da kamanni zuwa ga mai hankali Isaac Newton, wanda na ɗan lokaci ya yi aiki a Royal Mint na Burtaniya (duba abubuwa masu ban sha'awa game da Biritaniya).
- An fara amfani da gurts a cikin tsabar kuɗi don yaƙi da masu zamba. Godiya ga notches, masu damfara ba za su iya rage girman kuɗin ba, wanda aka yi da ƙarfe mai daraja.
- A duk tarihin ɗan adam, kusan ton 166,000 na zinare aka haƙo, wanda a canjin yau ya kai dala tiriliyan tara. Duk da haka, masana kimiyya sun ce har yanzu ana samun sama da kashi 80% na launin rawaya a cikin hanjin duniyar tamu.
- Shin kun san cewa kowane minti 45 ana fitar da karfe daga cikin hanjin duniya kamar yadda ake hako zinare a tarihi?
- Haɗin kayan ado na zinariya ya ƙunshi ƙazanta na jan ƙarfe ko azurfa, in ba haka ba za su yi taushi sosai ba.
- Gaskiya mai ban sha'awa ita ce, ɗan wasan fim ɗin Faransa Michel Lotito ya sami suna a matsayin mutumin da ke cin abubuwa "marasa ciwu". Akwai sigar cewa a cikin wasan kwaikwayon nasa ya ci kusan tan 9 na ƙarfe daban-daban gaba ɗaya.
- Kudin yin duk tsabar kuɗin Rasha, har zuwa rubles 5, ya wuce ƙimar fuskokinsu. Misali, samar da kopecks 5 yakai kudin jihar kopecks 71.
- Na dogon lokaci, sinadarin platinum ya ninka sau 2 kasa da azurfa kuma ba a amfani da shi saboda karyewar karafan. Tun daga yau, farashin platinum ya ninka farashin azurfa sau ɗari.
- Karfe mafi haske shine lithium, wanda yake da rabin nauyin ruwa.
- Yana da ban sha'awa cewa sau ɗaya aluminum mai tsada (duba abubuwa masu ban sha'awa game da aluminium), a yau shine mafi yawan ƙarfe a duniya.
- A halin yanzu ana ɗauke da baƙin ƙarfe mafi ƙarancin ƙarfe a duniya.
- A kimiyance ya tabbatar da cewa azurfa tana kashe kwayoyin cuta.