the logical skill you use is the process of elimination
logical means which has strong meanings.
A Logical Limited is the business or management consultancy business based in Derby
The smallest puzzle was 7.75 cm by 5.7cm and had 99 pieces and was considered the hardest puzzle ever with a piece density of 40,000 pieces per meter
Jigsaws consist of pieces that fit togetherA puzzle is a wider term that includes jigsaws and many other puzzles, for example matchstick puzzles and crossword puzzles.