Put a piece in the jig on the floor belonged.Can't see the damp section.Can't count humid part fully.If the change is to place the jig is 45° tilt.Will be able to count the pieces and see the missing parts.
Place a piece in the jig on flat ground can not see the parts can not count the number of the parts to complete. If the switch is placed jig is tilted 45 ° to the piece and a piece missing.
Put the pieces on the floor in the jig horizontal cannot see parts couldn't count the number of parts for. if change is to be placed jig tilt 45 ° can count parts and see the missing piece. .