Now, many medicinal tablets are Packed in colorful plastic cells, covered with foil or paper. In improvised signal light devices are very convenient to use such cells as the cap-filter for signal lamps.
Recommend to read
DISGRACED LINER
The first post-war years were marked by the aircraft industry in the rapid development of jet technology. To increase the thrust of gas turbine engines, their efficiency and, most...
HAD NO CHANCE
Flying boat Fairchild F-91. This small flying boat designed in 1934 by the American firm Fairchild, was calculated for mass production, but, despite its excellent flight characteristics,...
