When the boxboards stay long in refrigerator in very low temperature, the waterproof level will decrease passing through along with the time which is because the humid air keeps permeate into the boxboards. The strength of the boxboard may become weaker. Consequently, cartons which are made of the boxboards can collapse more easily when they are stacked up.

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It is extremely difficult to solve the problem of tunnel leak, because there are many muddiness, greasy dirts and slushes on the top of the tunnel, thereby it is hard to conglutinate the waterproof materials. Test results show that the impervious pressure and the splice strength of the acrylic acid waterproof material will be up to 1.2 MPa and 1.8 MPa in 30 min with new formula and unique construction craft 50 that reduce the difficulty of conglutination.

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It is presented in many aspects such as systematization of design,variability of roof style,reasonability of roof structure ,standardization of waterproofer and modernization of insulation construction,etc.

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Because the present age, textile product is faced with a revolution. Now at times to request function. Each functional fabric which have waterproofness and breathability. Cause perple to feel comfortable. Because the concept and technique of waterproofness and breathability import to Taiwan is not long time.

由於現(xiàn)代的紡織產(chǎn)品正面臨一個(gè)革命，現(xiàn)在邁向了要求機(jī)能性的時(shí)代色在线观看黄视频，各種擁有特殊機(jī)能的織物應(yīng)運(yùn)而生国产污污高清黄色视频，而具備防水透濕功能的織物即是其中之一，它不僅擁有防水的機(jī)能一级一级一级一级毛片，還同時(shí)具有良好的透氣性清纯唯美亚洲另类一区二区，以達(dá)到防水卻不悶熱的效果，使人體更舒適国产三级片黑免费。

This pact can gives natural make-up look without cakey.

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The Pentax 10x28 DCF MP is a nitrogen-filled binocular, a feature that helps make them highly water resistant, submersible to one meter (Japan Industrial Standard Class 6), and fogproof.

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The experiment result shows that favorable colour development performance can be achieved for the adhesive with polyvinyl alcohol as major component and the waterproof quality can be improved when the carboxyl tetraphene latices was mixed into the adhesive in a certain proportion.

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Not only are they designed in a novel style, these new materials are also post-processed by multifunctional technique, so they are characteristic of the functions of protecting against water, oil and contamination. Apart from being the perfect materials for summer wears, nightgowns and casual wears, they can also be used for curtains, watch bands, insteps, as well as high-grade household fabric.

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