If you do not have a vial or bottle with a screw cap, and be sure to provide a “blockage guarantee” when transported, for example, acid or antifreeze in the trunk of a car or sunflower oil in a shopping bag, use cord: knotted proposed method, it will securely hold a conventional tube of any vibrations.
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Security Alarm
This security alarm device (SAD) is intended for automatic sounding of an alarm signal (electric bell) in case of unauthorized entry of outsiders into a protected premises — an apartment,...
SWIVEL CLAMP
Designed for parts that are in processing it is necessary to fix in an inclined position. Clip design is simple: to steel base welded corners-brackets; on a coaxial screw-clamps rotated...