Cov tub yees thiab lub tub yees tau muaj ntau dua nyob hauv tsev thaum Tsov Rog Ntiaj Teb Zaum II, mus rau hauv kev tsim khoom loj hauv nruab nrab-1940s. Nyob ib ncig ntawm lub sijhawm no, Albert Einstein tau tsim nws tus kheej daim ntawv tub yees (lub npe hu ua "Einstein's Refrigerator") uas yuav tsum tsis muaj qhov txav lossis hluav taws xob.
Lawv puas muaj fridges xyoo 1940?
Nyob rau xyoo 1940, cov neeg siv khoom siv lawv cov thawv txias txias ua cov khoom noj khov. Lub sijhawm no, cov tub yees tau mus rau kev lag luam loj: los ntawm 1944, 85% ntawm cov tsev neeg Asmeskas muaj lub tub yees.
Thaum twg tib neeg muaj tub yees?
Ib lub tub yees Askiv hluav taws xob los ntawm 1947 ua cov xov xwm tshaj tawm raws li lub tub yees qub tshaj plaws hauv UK. Txawm hais tias lees tias nws ua suab nrov "zoo li lub cav sib tw", nws tus tswv 89 xyoo Ivy Ashley qhia cov neeg sau xov xwm tias nws zoo siab nrog cov khoom siv thiab npaj yuav siv nws ntxiv.
Lub tub yees hluav taws xob tawm xyoo twg?
DOMELRE yog thawj qhov kev vam meej, kev lag luam loj pob khoom siv hluav taws xob lub tub yees txias. Tsim nyob rau hauv 1913 los ntawm Fred W. Wolf Jr., tus tswv cuab ntawm American Society of Refrigerating Engineers.
Cov tub yees zoo li cas thaum xyoo 1940?
Lub tub yees ntawm xyoo 1940 tau muaj nrog freezers saum toj lossis hauv qab. Cov tub yees loj dua muaj ob lub qhov rooj teeb tsa, thaum cov me me muaj ib lub qhov rooj nrog lub freezer compartment. Feem ntau cov tub yees, zoo li lub qhov cub thiab lub tshuab ntxuav tais diav ntawm xyoo 1940, yog dawb.
