NisarKasai
2019-05-22 18:58:36

Hello Nisarg,

Drilling is simple task to make hole on surface so you may fill ot with something or with whom you want to join some more layers or something. but yes surface are many kind so there are drilling machine very kind. so you must have knowledge and skills regarding to that kind of surface and the machine that going to use for drilling.

here with this link you may find theory 

https://en.wikipedia.org/wiki/Drilling

here with this link you may find machines

https://www.brighthubengineering.com/manufacturing-technology/61704-various-types-of-drilling-machines/

here with this link you may find tools or accesories that used for drilling.

https://www.alliedmachine.com/Products/Drilling.aspx

and same apply fabrication as well its also one kind of cutting process. 

for theory

https://en.wikipedia.org/wiki/Metal_fabrication

for machines

https://www.tradeindia.com/manufacturers/heavy-fabrication-machine.html

good luck

 76% Sure