A simple feeder for small birds can be done literally in minutes, using a tin can and a stick of wood or a suitable diameter of the branch.
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It is a model machine designed to operate in conditions of total off-road on rocky soils. Six powerful metal legs — its propulsion. Thanks to the wide step it can overcome large gaps,...
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Designing a new racing control line aeromodel, we opted not on some extravagant options, but the proven classic design, well established and fully proven to date. The base design was...
