It's been some time I never make up a thread to introduce myself. I'm from SG.

I still don't get those short form names mentioned by some GH members here. Anyone care to help me list out all of them? All I know is few of these below :
1. ABS = Acrylonitrile Butadiene Styrene
2. PBT = Polybutylene Terephthalate
3. SP = Signature Plastic.
4. DS = Double Shot
And a few others out there I can't remember. Something like DSA on SP website I still don't know. Maybe there's other short names for some keyboard. Any help will be appreciated.
