People with a pleural effusion may experience the following symptoms: 1  Shortness of breath. 2  Dry cough. 3  Pain. 4  Feeling of chest heaviness or tightness.
But why do you need braces spacers and why spacers hurt so much? The answers are right here. Once you decide on getting braces, the first thing your dentist do is place spacers back in your teeth. Braces spacers are placed mainly to create enough room for the anchors used to join the braces. The role of anchor is to slide over your back teeth smoothly and get attached to braces for extra support.
Bearing spacers. Bearing spacers are small metal cylinders that fit into a skateboard wheel between the bearings. Their purpose is to reduce the weight distributed to each bearing, which can make your turns smoother and more stable and also extend the life of your bearings.