public void OnPressurize()
        {
            if (isUnconnected)
            {
                return;
            }

            //barrel nut is closed, play pressurize sound...
            PressureAudioSource.PlayOneShot(PressurizeClip, PressurizeVolume);
        }
        public void OnDepressurize()
        {
            if (isUnconnected)
            {
                return;
            }

            //barrel nut is opened, play depressurize sound...
            PressureAudioSource.PlayOneShot(DepressurizeClip, DepressurizeVolume);
            PressureParticles.Play();
            Invoke("StopPressureParticles", 0.3f);
        }