ensure
Keyword：
Robustness requirement: The rail transit railing needs to be set on a solid ground or wall to ensure that it will not loosen or fall off. At the same time, plastic or rubber pads need to be installed at the contact between the railing and the ground or wall to protect the ground or wall.
The design of tobacco storage compartments is very important because it needs to meet the demanding conditions of tobacco storage. Firstly, tobacco needs to be stored at a constant temperature and humidity. The temperature is generally between 16-18 degrees Celsius and the humidity is between 65-75%. Secondly, tobacco needs to be kept ventilated to ensure that it is always in a fresh state. The ventilation method for smoke storage compartments usually adopts natural or forced ventilation. The tobacco storage compartment also needs to be kept clean to ensure that tobacco is not contaminated by bacteria and mold.
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