Is all sorts of advice was on the use of caps and lids from unnecessary bubbles and tubes. Here’s another — receiving beautiful shaped heads of bolts or nuts. Look at the picture. Depending on the conceived in the cover is inserted into the bolt (or nut, screwed on a greased bolt) and filled with epoxy resin.
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If you need to drill through wall, out the other side exactly in the right place — use...a compass. Of course, in collaboration with the magnet, which should be put behind the wall... - DEADWOOD… FILLING
Every constructor of ship models know how difficult it would be to "bind" the motor with a screw. Especially when we are talking about models up to 50 cm Dadude doing all sorts,...