Question

The way materials are used can change with time. Milk was originally
delivered in glass bottles. Now cartons made from wax-coated paper and
plastic jugs are used for milk. Snow skis used to be made of wood. Now
they are made from fiberglass or graphite. What factors go into decisions
about changing what materials should be used when building a product?
(Dear children you need to give minimum two examples where new
materials are used to re-design the product-factors that was considered to
change the materials-advantages and disadvantages

Answer 1

$\alpha \beta \gamma \infty$