Tuesday, February 20, 2018

TFT touch screen 5

Mechanical Gear Screw Gear

Understand Mechanical Gear : Screw Gear | Types of gear

SCREW GEAR Why did we invent the Screw Gear? Linear to rotary or rotary to linear. Screws are inexpensive & available in any hardware store. You can make...
PROPERTIES OF MOULDING SAND

CORE SAND

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