PEOPLE USE RECYCLED MATERIALS. THEY SAVE ENERGY………..

1. - BO DE KIEM TRA 1 TIET SO 4 MON TIENG ANH LOP 6 CHUONG TRINH MOI CO MA TRAN VA DAP AN
BO DE KIEM TRA 1 TIET SO 4 MON TIENG ANH LOP 6 CHUONG TRINH MOI CO MA TRAN VA DAP AN
1. People use recycled materials. They save energy………..