pohonné hmoty 3 [vynechat] propellants alternative propellants 1 [vynechat] alternatívne pohonné hmoty 1 [vynechat] automobile industry 1 [vynechat] automobilový priemysel 1 [vynechat] fuels 1 [vynechat] industrial fertilizers 1 [vynechat] internal combustion engines 1 [vynechat] palivá 1 [vynechat] plastics 1 [vynechat] plasty 1 [vynechat] priemyselné hnojivá 1 [vynechat] spaľovacie motory 1 [vynechat] syntetický kaučuk 1 [vynechat] synthetic rubber 1 [vynechat]