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31. The commonly used hydraulic seal test and air-tight test for the closed plastic container need to drill a hole on the container body. After test, the container is wasted.

32. Store honey in a cool, dark place in an air-tight container.

33. The utility model relates to a hand-operated forced air-tight type air tap of gas-filled products, comprising an air tap seat with an air-in via hole arranged at the middle.

34. If you choose to prepare your own containers of water, you should buy air-tight, food-grade water storage containers from surplus or camping supply stores.

35. The structure, with drainage system inside, utilizes pressure- equalization principle and presents satisfactory water-tight and air-tight performance.

36. We recommend storing beans in a clean, dry, air-tight container, in a cool dark place.

37. When people hear that making a home air-tight improves the energy efficiency, many often wonder about air quality.

38. The disillate needs to be kept in an air-tight container.

39. I don't know how long Self has been planning this thing and from the looks of it,it's pretty air-tight.

40. Store cut pineapples in the refrigerator in an air-tight container.

41. One way is to try to design a completely air-tight train,(http://sentencedict.com/air-tight.html) like an airplane cabin.

42. The structure adopts gradual decompression technology and built-in drainage system, which ensures a satisfactory water-tight and air-tight performance.

43. The security attributes of trusted context can be tuned to ensure air-tight access to the database servers.

44. Once heat is applied, it shrinks again, creating an air-tight, durable wrapping.