aWear a niosh approved self contained breathing apparatus in the pressure demand mode, or a fullface supplied air respirator. 佩带一个niosh被批准的自持呼吸器在压力需求方式下或者一台正面由供应的空气人工呼吸机。[translate] aA grand example of the brand’s unflagging Haute Horlogerie prowess can be ...
they can be used for longer periods. Supplied-air respirators are also easier for most hospital personnel to use. SARs, like self-contained breathing apparatus, provide a high level of respiratory protection
while the legs are much less. With growth, the head decreases in size to adult parameters by adolescence. The larger body surface area-to-mass ratio increases the risk of hypothermia. The decreased ability to shiver is another disadvantage to the pediatric patient as...