Thaum 2 xyoo kev loj hlob, peb tau daws cov teeb meem hauv qab no rauinkjet luam ntawv daim ntawv lo:
1. Tshuab luam ntawv.
2. Printing Inks.
3. Cov nyhuv luam tawm.
4. Xim ceev ceev rau ntxuav.
5. Tag nrho Cov Khoom Siv Tshuaj Tiv Thaiv Cov Txheej Txheem Txheej Txheem rau Ink Jet Printing Technology.