II. Qhov tseem ceeb thiab lub luag haujlwm ntawm lub khob khov nab kuab
A. Tiv thaiv qhov zoo thiab saj ntawm ice cream
Ice cream khob ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv qhov zoo thiab saj ntawm ice cream. Ua ntej, lub khob khov nab kuab tuaj yeem tiv thaiv cov dej khov los ntawm kev sib cuag nrog huab cua sab nraud. Qhov no tuaj yeem txo qhov cuam tshuam ntawm huab cua oxidation ntawm qhov zoo ntawm ice cream. Kev sib cuag cua tuaj yeem ua rau cov dej khov ua kom muag, khov, crystallize, thiab poob tsw. Thiab lub khob khov nab kuab zoo cais cov dej khov los ntawm huab cua sab nraud. Nws pab kom ntev lub neej txee thiab saj ntawm ice cream.
Qhov thib ob, cov khob dej khov nab kuab kuj tuaj yeem tiv thaiv cov dej ntws tawm thiab dej khov. Ice cream khob muaj qhov tob thiab cov qauv. Nws tuaj yeem ua raws li qhov ntim thiab cov duab ntawm cov dej khov nab kuab, tiv thaiv kom tsis txhob ntws tawm. Qhov no tuaj yeem tswj tau qhov zoo thiab qhov pom kev ncaj ncees ntawm cov dej khov. Qhov no ua kom cov neeg siv khoom txaus siab rau cov ice cream qab.
Tsis tas li ntawd, lub khob khov nab kuab kuj tuaj yeem muab qee yam kev ua haujlwm rwb thaiv tsev. Qhov no tuaj yeem ua rau qeeb tus nqi melting ntawm ice cream. Vim yog cov khoom siv thiab cov qauv ntawm lub khob khov nab kuab, nws tuaj yeem ua lub luag haujlwm hauv kev rwb thaiv tsev. Qhov no tuaj yeem txo qhov melting tus nqi ntawm ice cream nyob rau hauv high-temperature ib puag ncig. Yog li, nws tuaj yeem tswj tau qhov saj tshiab thiab qhov zoo tshaj plaws txias ntawm ice cream.
Thaum kawg, tus tsim thiab cov khoom siv ntawm lubkhob ice creamkuj tuaj yeem cuam tshuam qhov saj ntawm ice cream. Ice cream khob ntawm cov khoom sib txawv lossis cov duab tuaj yeem ua rau muaj kev cuam tshuam tsis zoo rau qhov tsw thiab zoo ntawm cov dej khov. Qee cov ntaub ntawv xws li khob ntawv thiab khob yas yuav ua rau muaj tshuaj lom neeg nrog rau cov dej khov. Qhov no yuav cuam tshuam qhov saj. Yog li, xaiv cov khoom tsim nyog thiab cov duab ntawm lub khob khov nab kuab kuj tseem ceeb heev. Raws li nws tuaj yeem pab tiv thaiv qhov zoo thiab saj ntawm ice cream.
B. Muab txoj hauv kev yooj yim rau kev noj
Lub khob ice creamkuj muaj kev ua haujlwm yooj yim rau nqa thiab siv. Ua ntej, khob dej khov feem ntau muaj qee qhov loj thiab qhov hnyav. Qhov no ua rau nws yooj yim rau muab lub khob tso rau hauv lub hnab los yog lub hnab, ua kom yooj yim nqa mus rau lwm qhov chaw. Qhov no tso cai rau cov neeg siv khoom txaus siab rau cov dej khov nab kuab txhua lub sijhawm thaum ua haujlwm sab nraum zoov, sib sau ua ke, lossis mus ncig. Qhov no ua rau kom yooj yim thiab nkag tau ntawm ice cream.
Qhov thib ob, lub khob khov nab kuab feem ntau yog nruab nrog lub hau thiab diav. Lub hau tuaj yeem tiv thaiv cov dej khov kom tsis txhob poob los yog muaj kab mob. Qhov no tuaj yeem ua kom muaj kev nyiam huv thiab tshiab ntawm ice cream. Cov diav muab cov cuab yeej yooj yim rau kev noj mov. Qhov no tso cai rau cov neeg siv khoom yooj yim txaus siab rau cov dej khov nab kuab yam tsis xav tau cov khoom siv ntxiv.
Tsis tas li ntawd, kev tsim cov khob khov nab kuab kuj ua kom yooj yim rau kev siv. Ib txhiakhob ice creammuaj foldable thiab stackable nta. Qhov no tuaj yeem txo qhov chaw cia khoom thiab pab txhawb kev thauj mus los thiab khaws cia los ntawm cov tub lag luam. Nyob rau tib lub sijhawm, cov khob khov nab kuab kuj tuaj yeem muaj qhov yooj yim los rhuav tshem txoj kev sib khi. Qhov kev tsim no tuaj yeem pab txhawb cov neeg siv khoom qhib thiab txaus siab rau cov dej khov nab kuab.
C. Kev tiv thaiv ib puag ncig thiab kev ruaj ntseg
Lwm qhov tseem ceeb ntawm lub khob khov nab kuab yog kev tiv thaiv ib puag ncig thiab kev ruaj ntseg. Niaj hnub no, tib neeg tau mloog ntau dua los txo kev siv cov khoom siv yas pov tseg. Thiab lawv tab tom tig mus rau lwm txoj hauv kev rov siv tau.
Ntaukhob ice creamyog ua los ntawm cov khoom siv ruaj khov. Xws li biodegradable ntawv khob los yog recyclable yas khob. Cov ntaub ntawv no muaj kev cuam tshuam ib puag ncig qis. Qhov no tuaj yeem txo qhov kev siv cov peev txheej ntuj. Qhov no tseem tuaj yeem txo cov pa phem rau cov chaw pov tseg lossis dej hiav txwv.
Tsis tas li ntawd, qee lub khob khov nab kuab kuj tuaj yeem rov siv dua. Piv txwv li, qee lub khw ice cream muab cov neeg siv khoom nqa lawv lub khob los yuav cov ice cream. Qhov no tuaj yeem txo qhov kev siv cov khob pov tseg. Txoj hauv kev no yuav pab txhawb kev lag luam ncig, txo cov khoom pov tseg, thiab txuag cov peev txheej.
Ice cream khob kuj tuaj yeem ua ke nrog lwm yam kev ntsuas ib puag ncig. Piv txwv li, muab cov khoom ntim rov ua dua tshiab lossis siv cov txheej txheem ntim khoom ib puag ncig. Cov kev coj ua no pab txo qhov tsis zoo ntawm kev lag luam ice cream rau ib puag ncig. Thiab lawv tuaj yeem txhawb kev txhim kho kom ruaj khov.