Armillary sphere and knife: what they have in common
Step 1.
Armillary sphere
— is made of —
Bronze
. Armillary spheres are bronze rings.
Step 2.
Bronze
— is material for —
Cutlery
. Ancient spoons and knives were bronze.
Step 3.
Cutlery
— has part —
Knife
. Knives.
Open Evothings