- The results showed that RR and ARP were 1 97 and 0 49 in the dust group,1 34 and 0 25 in the toxic group respectively.
- MDA and CINC in kitchen oil smoke group, cigarette smoke group and road dust group increased(P<0.05), SOD and GSH-Px in those groups decreased significantly compared with community group (P<0.05).
- The motor car disappeared in eddy of dust.
- The forest will act as a defense against desert dust.
- The car raised quite a dust as we drove off.
- A filter traps dust from the air.