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Details
Brand PEL
Number of Doors 1
Condition Used
Description
D freezer, yaani ke khane peene ki cheezon ko lambe arse tak mehfooz rakhne wali machine, ki tareekh kaafi dilchasp hai. Iska safar barf ke gharaon (Ice houses) se shuru hokar aaj ke modern freezer tak pahuncha hai.
​Yahan iski tareekh ke kuch ahem marhale diye gaye hain:
​1. Qadeem Daur: Kudrati Barf ka Istemal
​Insan sadiyon se khane ko thanda rakhne ke liye barf aur barf-bari ka istemal karta aa raha hai. Log paharon se barf laakar gehre garon mein jama karte thay taake garmiyon mein kaam aa sake.
​2. Pehla Mechanical Freezer (19th Century)
​1834: American inventor Jacob Perkins ne duniya ka pehla "Vapor-compression refrigeration system" banaya. Isne artificial tarike se thandak paida karne ki buniyad rakhi.
​1850s: James Harrison ne pehla practical ice-making machine banaya, jo commercial satah par istemal hona shuru hua.
​3. Deep Freezing ki Ibteda (1920s)
​Deep freezing ka tasawwur Clarence Birdseye ne diya. Unhon ne dekha ke Arctic mein log machhli ko bahut tez thandak (flash freezing) mein rakhte hain, jis se uska zaiqa kharab nahi hota.
​1924: Birdseye ne "Quick-freezing" ka tareeka ijaad kiya, jis se khana bilkul jam jata tha magar uski quality barkarar rehti thi.
​4. Gharon mein Freezer ka Aana (1940s - 1950s)
​Doosri Jang-e-Azeem (World War II) ke baad, technology sasti hui aur deep freezers aam logon ke gharon ka hissa banne lage.
​Pehle yeh alag se ek bade box ki shakal mein aate thay (Chest Freezers).
​Baad mein, inhein refrigerators ke sath hi upar ya neeche ek hisse ke taur par jor diya gaya.
​5. Aaj ka Daur
​Aaj ke deep freezers "Frost-free" technology aur digital control ke sath aate hain, jo kam bijli kharch karte hain aur mahinon tak gosht, sabziyan aur phal mehfooz rakhte hain.
​Ek dilchasp baat:
Shuruati daur mein freezing ke liye jo gases (CFCs) istemal hoti thin, wo maholiyat ke liye nuksaan-deh thin, lekin ab modern freezers mein eco-friendly gases istemal ki jati hain jo zyada safe hain.
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