There is the potential for misclassification of work status and, among workers, misclassification of industry sector because of inconsistency in narrative data recorded for occupation.
Most jobs that were previously done manually are being substituted by machines, which, accordingly, increases competition among workers of respective industries.
According to IARC (2006), inhalative exposure to V2O5 in vanadium plants exists worldwide, and several hundred workers may be affected; furthermore, workers of other industries may also be exposed.
2Our data cover 12 states over this time period, and the states are fairly representative of the U.S. in terms of demographic characteristics of workers and industry structure of the economy.
Then last-minute amendments by the ANC introduced a quota system for foreigners, which requires officials to decide how many skilled workers each type of industry requires.
"God willing, this will not be the only time that dedicated and mobilised workers of our defence industry surprise Israel's defence machinery," he gloated.
The workers of the construction industry gave the lowest scores of physiological and most of subjective response.
The aim of this study was to study the phenomenon of commuting, especially the prevalence, in a group of workers of a chemical industry.
Health surveillance and medical history questionnaires focused on employment and on the presence of primary headache in 95 workers of a chemical industry (91 M, 4 F).
Roberto Bono (Torino) investigated relationships between formaldehyde exposure of technicians of pathology wards, workers of plastic laminates industry and controls, with the alkylation of haemoglobin to form terminal N-methylenevaline residues.
