Flanges are very important sealants that can block the flow of fluids and gases through two objects by tight sealing. There are various types of flanges available, based on their quality and characteristics.
Flanges are used to seal the ridges and rims of two structures to make firm contact, like in pipes, iron beams, and steam cylinders. But, the right type of flange needs to be used, depending upon your individual requirement.
Should you use embroidery bobbins or regular threads for your embroidery project? Should you opt for pre-wound bobbins or not? What should be the weight and colour of your bobbin thread? All of this is explained in this blog.