RE PAINTING OF CONCRETE WALL/ Paano mag pintura ng wall

Materials list:
2 pcs sand paper # 100
1 kl. skimcoat
2 ltr. flat latex white
1 gal. semi gloss latex (cream)
1 ltr. semi gloss latex ( gray )
tools list:
1 pc sanding board
1 pc paint brush 2"
1 pc roller brush 9"
1 pc. roller tray