plumbers

n.

管子工，水暖工( plumber的名词复数 )；[美][口]（防止泄密的）堵漏人员；

PLUMBERS HELPER
Patterns of mortality among plumbers and pipefitters
Asbestos-related disease in plumbers and pipefitters employed in building construction.
Mortality analysis of plumbers and pipefitters
Body for plumbers' trucks
Localization and quantification of plasma membrane aquaporin expression in maize primary root: a clue to understanding their role as...
Entry and Competition in Concentrated Markets
Occupation-Level Income Shocks and Asset Returns: Their Covariance and Implications for Portfolio Choice
Registry-based Analysis of Occupational Risks for Primary Liver Cancer in Sweden
Continuing increase in mesothelioma mortality in Britain