Hoʻohana nui ʻia nā mea hana sima i ka ʻoihana kūkulu. ʻO kēia mau mea, ka mea maʻamau me ka sima, ke one, ka wai a me ka aggregate, loaʻa ka ikaika elastic a me ka compressive, e makemake ai lākou no ke kūkulu ʻana a me ka hoʻomohala ʻana. Eia naʻe, e hoʻohana ana i ka cellulose ethers ma ke ʻano he additiv ...
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