معنى الرادون عنصر غازي مشع في القاموس

Containing by weight antimony as the principal other element

Raspings, turnings and granules, graded according to size; powders

Goods, as follows (a) connection and contact elements for wires and cables; (b) wafer probers

Switch blades, crossing frogs, point rods and other crossing pieces

Prefabricated structural components for building or civil engineering