Puas muaj hluav taws xob txhuam hniav xyoo 1980?

Cov txheej txheem:

Puas muaj hluav taws xob txhuam hniav xyoo 1980?
Puas muaj hluav taws xob txhuam hniav xyoo 1980?

Video: Puas muaj hluav taws xob txhuam hniav xyoo 1980?

Video: Puas muaj hluav taws xob txhuam hniav xyoo 1980?
Video: Tsom Xyooj - Nkauj hmoob sexy [HmongSub] 2024, Kaum ib hlis
Anonim

Peb tshwj xeeb tshaj yog nyiam cov khoom siv Philips Sonicare. Tej zaum koj yuav xav tsis thoob tias cov txhuam hniav txhuam hniav nrog cov nylon bristles tsis tau muag txog xyoo 1939. Thawj txhuam hniav hluav taws xob tsis tau tsim kom txog rau thaum xyoo 1954, thiab sonic txhuam hniav, nrog ultra-siab vibrations, tuaj. ntawm kev ua lag luam xyoo 1980s.

Thaum twg muaj cov txhuam hniav fais fab?

Kev tsim cov nylon pib tsim cov txhuam hniav niaj hnub tiag tiag hauv xyoo 1938, thiab los ntawm 1950s softer nylon bristles tau ua, raws li tib neeg nyiam cov no. Thawj tus txhuam hniav hluav taws xob tau tsim hauv 1939 thiab thawj tus txhuam hniav hluav taws xob hauv Asmeskas yog Broxodent hauv xyoo 1960.

Puas yog lawv muaj cov txhuam hniav hluav taws xob hauv xyoo 1980?

Broxo Electric Toothbrush yog introduced in the US by E. R.… Nyob rau xyoo 1980s Squibb tau hloov pauv ntawm Broxodent kab mus rau Somerset Labs faib ntawm Bristol-Myers Squibb.

Thaum twg cov txhuam hniav hluav taws xob tawm hauv tebchaws Askiv?

1954 pom qhov kev taw qhia ntawm 'Broxodent', thawj tus txhuam hniav siv tau hluav taws xob. Txawm li cas los xij, tus txhuam hniav no tsis muaj kev nyab xeeb vim nws qhov hluav taws xob siab thiab qhov tseeb tias nws feem ntau yog siv hauv chav dej uas muaj dej ntxiv txhim kho nws cov hluav taws xob txaus ntshai!

Leej twg tsim tus txhuam hniav ntse?

Tus txhuam hniav Kolibree tau tsim los ntawm Thomas Serval, tus kws tshaj lij Fab Kis thiab tus thawj coj hauv lub tebchaws kev lag luam thev naus laus zis. Nws raug tshoov siab los tsim nws tom qab xav tias nws cov menyuam tau dag rau nws txog seb lawv puas tau txhuam hniav.

Pom zoo: