native mixture. winter perimeter control bmps bmps for perimeter control are short duration, or heavy enough to remain in place or melt down with the snow pack. tight coordination between land disturbance activity and instal- lation of materials and anchors is required. no rebar or other sharp anchor devices...
"tsvetlit " production unitary enterprise of the belarusian association of the deaf , grodno, dzerzhinskogo street, telephone: ( ) - - telefax: ( ) - - e-mail: production of water and gas -shut off devices. electrical engineering, electronic optical devices and equipment "beltex optic" foreign production...