Grinding and machining stresses the metal thermally and mechanically, scraping and lapping do not.
2.
The 96 Year Test was a machine stress test performed at an independent laboratory to prove that the Futura was a more durable machine than others in its class.
3.
Machine stress-rated and machine-evaluated lumber is readily available for end-uses where high strength is critical, such as trusses rafters, laminating stock, I-beams and web joints.
मोबाइल