AG140（3）-Hand-held ultrasonic scalpel

Types of Gears, bevel gear, helical gear, spur gears, worm

Introduction: High-frequency ultrasound is an effective mechanism for coagulating and cutting tissue.

Plastic, rubber, and metal injection molding and, more recently, rapid molding techniques

During the lean years of industrial production in 2016 and 2017, experts wondered

etals like steel and aluminum, while crucial to many applications, have a glaring issue.