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Slip On Flange
Slip on flanges are a popular type of pipe flange designed to accept pipe into the bore/center of the flange for welding around both the Outer Diameter (OD) of the pipe and on the interior side of the connection. You may recognize them:

The slip-on flange is a simple and excellent alternative to a weld neck as it does not have a…[ 続きを読む ]

Types of Prescription Glasses
Prescription lenses are the heart of what makes a pair of glasses provide the sharp, clear vision you want to have. There are several types of prescription eyeglasses to address your visual needs, whether you are nearsighted, farsighted or need multiple prescriptions in one lens:

Single Vision – Single vision p…[ 続きを読む ]