A good assistant hostesses will be crashcatcher for cans with screw locking. To make it simple: two bars must be screwed pieces of steel channel, and one of them should be wearing rubber hose. Both blanks fastened to a plate which is fixed on the lower side of a hanging cupboard.
Recommend to read
GUIDE MACHINE
In school museums or at exhibitions of young artists in the role of a tour guide may carry a tape recorder. Explanatory text in advance is recorded on a magnetic tape. It remains only to...
THERMOMETER WITH EXTENSION TUBE
To measure the temperature of the liquid in the bottle with a narrow neck pretty hard. Replace the thermometer with a rubber or polihlorvinilovuju up, and the problem will be solved.
