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- A respirator fit test checks whether a respirator properly fits the face of someone who wears it. The fitting characteristic of a respirator is the ability of the mask to separate a worker's respiratory system from ambient air. This is achieved by tightly pressing the mask flush against the face (without gaps) to ensure an efficient seal on the mask perimeter. Because wearers cannot be protected if there are gaps, it is necessary to test the fit before entering into contaminated air. Multiple forms of the test exist. Scientific studies have shown that if the mask size and shape is correctly fitted to the employees’ face, they will be better protected in hazardous workplaces. Facial hair such as a beard can interfere with proper fit. (en)
- Изолирующие свойства респиратора (respirator Fit Test) — способность маски респиратора плотно, без зазоров прилегать к лицу рабочего для отделения его органов дыхания от окружающей загрязнённой атмосферы. Для обнаружения неплотностей (зазоров) проводится проверка изолирующих свойств респираторов. (ru)
- 防毒面具的密闭特性能确保使用者的呼吸系统与周围的污染空气隔开。该功能通过紧密接触（即无间隙）面具及其边缘的面部皮肤来实现的。由于出现间隙使用者不能得到保护，所以员工进入污染空气场所前必须找出空隙。对这种空隙（或泄露）的搜索（贴合测试）可以透过不同的方式来进行。 (zh)
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- Изолирующие свойства респиратора (respirator Fit Test) — способность маски респиратора плотно, без зазоров прилегать к лицу рабочего для отделения его органов дыхания от окружающей загрязнённой атмосферы. Для обнаружения неплотностей (зазоров) проводится проверка изолирующих свойств респираторов. (ru)
- 防毒面具的密闭特性能确保使用者的呼吸系统与周围的污染空气隔开。该功能通过紧密接触（即无间隙）面具及其边缘的面部皮肤来实现的。由于出现间隙使用者不能得到保护，所以员工进入污染空气场所前必须找出空隙。对这种空隙（或泄露）的搜索（贴合测试）可以透过不同的方式来进行。 (zh)
- A respirator fit test checks whether a respirator properly fits the face of someone who wears it. The fitting characteristic of a respirator is the ability of the mask to separate a worker's respiratory system from ambient air. This is achieved by tightly pressing the mask flush against the face (without gaps) to ensure an efficient seal on the mask perimeter. Because wearers cannot be protected if there are gaps, it is necessary to test the fit before entering into contaminated air. Multiple forms of the test exist. (en)
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- Respirator fit test (en)
- Способы проверки изолирующих свойств респираторов (ru)
- 防毒面具密闭性测试 (zh)
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