Hauv paus hauv kev hwm rau kev ywj pheej ntawm - lub siab dawb paug ntawm cov menyuam yaus thiab qhov xav tau ntawm ib puag ncig nyab xeeb rau lawv txoj kev loj hlob, peb tus qauv tsim tau hais txog kev zaum thiab qhov rooj zaum tsis muaj kev txwv, kev tiv thaiv kev nyab xeeb yooj yim, thiab kev txhawb nqa ntawm kev tshawb nrhiav ywj pheej.
Lub rooj zaum taum tau tshwm sim thaum lub sijhawm Ltalis lub txee- kev coj noj coj ua ntawm xyoo 1960. Nws lub hom phiaj thawj zaug yog txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau nws nws txoj kev xav Qhov kev xav no ib txwm ua raws li kev ua haujlwm thiab tshawb nrhiav tus cwj pwm zoo ntawm cov menyuam yaus. Cov menyuam yaus lub hnab taum cov rooj zaum tsim los ntawm lub hauv paus no nrog kev ua kom zoo ntxiv, siv lub cev tsis muaj zog, mos- lub cev tsim. Qhov no tso cai rau cov menyuam yaus dov, ntshiv, thiab pw ntawm kev ywj pheej-tsis muaj kev txwv los ntawm kev ua haujlwm ruaj khov- yog li ua tau raws li lawv cov kev xav tau ntawm kev loj hlob ntawm kev paub txog spatial thiab kev sib koom tes ntawm lub cev.
Kev nyab xeeb-Ua ntej: Kev tsim kho yooj yim
Thaum lub kaum ntse ntse thiab qhov tawv tawv ntawm cov rooj tog zaum feem ntau ua rau muaj kev pheej hmoo ntawm pob thiab kev raug mob, cov menyuam yaus lub hnab taum lub rooj zaum muab kev tiv thaiv cushioning los ntawm cov mos muag tag nrho -padded qauv thiab cov granules uas muaj zog heev (xws li EPP lossis EPS). Txawm hais tias tus me nyuam dhia los yog ntog, lawv maj mam cushioned, txo qhov kev pheej hmoo ntawm kev raug mob. Lub tswv yim ntawm "kev nyab xeeb yooj yim" no tau tshwm sim los ua ib qho ntawm cov qauv tseem ceeb hauv cov menyuam yaus niaj hnub khoom vaj khoom tsev.
