[Center suction bottle production and application].

Structure, working principle, use method and clinical application of a central suction bottle is proposed. It boasts such features as simply produced and easily used. The workload of nurses can be reduced by using disposable attract bags, Also cross-infection can be effectively controlled.

[Electrostatic protection of oxygen pressure cabins].

This paper describes electrostatic harms to oxygen pressure cabins and protection measures which should be taken.