( ) gas and oil exploitation ( ) steels and metals machining ( ) steels and metals surface treatment and coating ( ) composition - photocomposition and photoengraving ( ) water production and distribution ( ) industrial building construction ( ) metal construction - lightweight ( ) wood sawn and treated...
domestic appliances large ( ) quality control and certification ( ) marble and natural stones ( ) cement and additives ( ) furniture and shelving - office ( ) paints and varnishes ( ) public works contractors ( ) legal counselling ( ) office supplies ( ) vehicles mechanical components and parts ( ) water...
way to the surface of the earth, according to research conducted by university of granada and other scientists back in . usage of gold according to a research conducted in , around tons of gold is believed to exist on the ground. in , china came forward as the largest producer of gold with tons a year...