The average total dust exposure of staff office of 0.1513 mg / m3. And workers have an average total dust exposure was 0.2881 + 0.0834 mg / m3. And when comparing dust exposure as well as 2 group. The exposure between workers and staff of total dust differ statistically significant at a 95 percent confidence level (p-Value < 0.001), while the average dust exposure of workers were 0.0631 mg small office / m3. And workers, carpenters were small dust exposure was 0.1369 edge 0.1209 mg / m3. And when comparing both 2 small dust exposure group. Found that touch the small dust between workers and staff of a significantly different from that% confidence level. 95 (p-Value. = 0.007) the performance check with a spirometer. When comparing the lung function between staff and office workers carpenter. Found that pulmonary function among the staff office. And workers, carpenters, not significantly 95% (P - Value < 0.001) and the study of the relationship between the various factors and pulmonary function Found no any factors related to pulmonary function of workers carpenter at a 95% confidence interval.