Popular articles

Popular articles

What is phaco procedure?

What is phaco procedure? Phacoemulsification, or phaco, is method of cataract surgery in which the eye’s internal lens is emulsified using ultrasonic energy and replaced

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Is 4130 an alloy steel?

Is 4130 an alloy steel? Aircraft quality 4130 alloy steel is a medium carbon, low alloy steel containing 0.15/0.25% molybdenum and 0.80/1.10% chromium as strengthening