How to choose suitable abrasive sand and sandblasting machine for work piece of different material and for different surface treatment requirements?

Please check the form below for your reference.

Material	Sandblasting purpose	Abrasive sand type	Sandblaster type
Stainless steel	Removing dirt/welding slag, damn face effect.	Glass bead, Corundum	Dry or liquid type
Steel and iron work piece	Removing rust/dirt/mill Scale, Enhancing adhesion of coating layer.	Corundum	Dry or liquid type with anti-rusting agent.
Aluminum work piece	Removing mill scale, Strengthening surface, Finishing processing.	Glass bead, Corundum	Dry or liquid type
Copper work piece	Removing mill scale, dumb face effect.	Glass bead	Dry or liquid type
Glassware/Crystal	Sandblasting/Carving	Corundum	Dry or liquid type
Plasthetics/Hard wood items	Dumb face effect	Corundum	Dry or liquid type