I've seen people do breath control with gas masks whose rubber edges conform to the face and seal well, regulating the bottom's access to air through the breathing hose.

我见过一些人戴防毒面具，密封完好，施虐方通过控制面具下方的呼吸管来进行游戏。

youdao

Damper: both gas flow regulating button and wind board are high grade PP material, connected with 304 stainless steel bar, manually adjust the outside valve knob, control air flow.

气流调节阀：气流调节扭与挡风板均为高密度PP材质，用304不锈钢方棒连接，手动调节外部阀门旋钮，控制气流量。

youdao

You control the amount of air that passes through the throttle plate and into the engine with the gas pedal.

通过油门踏板，你能控制经过节气门进入发动机的空气量。

youdao

The approximate stand-still of global temperature during 1940-1975 is generally attributed to an approximate balance of aerosol cooling and greenhouse gas warming during a period of rapid growth of fossil fuel use with little control on particulate air pollution, but quantitative interpretation has been impossible because of the absence of adequate aerosol measurements.

FORBES: Yes! We Should Defund The U.N.'s Intergovernmental Panel On Climate Change