agriculture
automobile
brewery
carpet
chemicals
chocolate
cement
dairy products
electronics
engineering
engineering workshops
fish
food & beverage
foundry
galvanoplastics
glass industry
horticultural industry
incineration plant
leather

meat
metallurgical industry
paint
paper
petrochemicals
petroleum
pharmaceuticals
photo/chemicals
power stations
printing inks
soap
steel
sugar
textiles
vegetable & fruit industry
waste water
weaving mills
wood & chipboard industry