When working with bulk materials shovel is indispensable, as it improves productivity due to the increased volume of its “bayonet”. This advantage can be used and the collection of roots. And the shovel does not hurt them, its front edge is sufficient to attach a section of rubber hose.
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THIRD HAND
When working with such sensitive measuring instrument like micrometer, it is necessary to hold it with two hands — and what to hold on to what is measured! A kind of third hand may be...
Micro motorcarts
Before introducing the material below, we’d like to recall a short note in issue No. 2 of our journal for 1979 — “Folding sleds.” The reason is that the author of both designs is the same...
