**8 things you should never put in the dishwasher** (and why)
wooden handles, causing them to crack, dry out, or warp.
Wooden spoons, cutting boards, and similar utensils may also lose their finish over time.
Better care
Wash sharp knives and wooden utensils by hand with warm water and mild dish soap. Dry them immediately after washing.
For wooden handles or utensils, occasional treatment with food-safe mineral oil may help preserve the surface.
2. Crystal Glassware and Fine China
Delicate crystal and fine porcelain can be damaged by the heat and strong water jets inside a dishwasher.
Potential problems include:
Chipping