1. Plate Corrosion resistance Waterproof Durability Price
Function: Bowl of food
Corrosion resistance
Waterproof
Durability
Price

2. Plate’s materials Ceramic plate -low durability -high price
-good water proof
-good corrosion resistance
Stainless plate
-high durability
-low price
-good water proof
-good corrosion resistance
Wood plate
-normal durability
-normal price
-bad water proof
-bad corrosion resistance
Plastic plate
-low durability
-very low price
-good water proof
-good corrosion resistance

3. Chart of plates
Ceramic
Stainless
Plastic
Wood
Corrosion
Resistance 9 10 4
Waterproof 6
Durability 8 3
Price 7
Total 33 34 31 23
Stainless plate has best corrosion resistance and durability. On the other hand, plastic plate has best price.
Ceramic has no superior point by comparison with the others.
Wood has all worst points excepting price.
All properties considered, stainless is best and wood is worst material.