a group of 853 construction industry workers exposed to irritants and allergens ( mainly cement , lime , sand , water , lubricants and antiadhesive oils and a control group of 74 subjects ( sawers ) underwent patch tests after jadassohn -- bloch with seven allergens most common in the construction industry working environment ( compounds of chromium , nickel and cobalt , turpentine and three rubber allergens -- mercantobenzothiazole , thiocarbamoyl and diphenylguanidine ) .
C0002092
allergens
C0009148
cobalt