If you have a lot of time to measure the volume of the same liquid or granular materials, make the appropriate mark on the measuring circle, glued at the right level strips of adhesive medical tape. At the same time can be done on them and the labels which are specified died.
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THE LIGHT IN THE SWITCH
Not to look for the switch in the dark, to make it a backlit "Neonka" from the starter of the fluorescent lights and the resistor 100 ohms, connected in series— that's the whole scheme....
Mini-farm: “care once a week”
The proposed mini-farm is designed for breeding and keeping rabbits of any breed in both private and public subsidiary farms. Its basis is a two-tier cage-module (if necessary, there can...