What is a mechist?

What is The tolerance for a 08mm H12 hole? What is the Temp of 30 psi steam? What is whipping in connecting rod? Who invented a mechanical seed drill? What is full form of WCB? Why the Deaerator is placed at height and mostly at 15.5mtr? What are the different kinds of hardware tools servicing? What is an inclined plain? What is a vtl machinist? Soft starter for a dc motor? What is a military weapon designer's salary? What is the Formula for net free area? Why the centrifugal pump is called high discharge pump? What is a power-driven machinery? What is the principle operation wound rotor induction motor? What is the purpose of a Damper in an HVAC System? How does a terry turbine work? Ac air shuts off at high rpm on a 2003 f-250 never did before? What is equivalent to st 37-k steel? Stainless steel grades?