If you put the pieces in a plain jigInvisible parts.Could not count the number of pieces fully.If a change is placed in a jig piece to tilt, angle 45°.Will be able to count the pieces and see the missing parts.
If you put a piece in the jig flat can not see the parts can not count the number of pieces completed. If set to place the piece in a jig to tilt it to a 45 ° angle to the piece and see the piece. missing parts.
If you put a piece of flat jig cannot see parts cannot count of parts have ครบ. if converted into placing parts in jig to tilt angle to 45 ° can count parts and see the missing piece. .