history 217 production paper 66 firm 54 paper production 39 hand firearms 19 construction 14 more ... fire arms 13 history of science and technology 12 cars 10 sugar industry 9 gasworks industry 9 electronics 8 personal cars 8 glass 8 town gas 8 sugars 7 development 7 weapons 7 osobnosti 6 industry 6 products 6 sugar rafineries 5 beer 5 breweries 5 enterprise 5 glass works 5 glass making 5 military aircrafts 5 mines (mining) 4 less ...