The safety and comfort also is important when designing a product.No one will want to buy a handphone that is too big and could not fit into your hand.No one will want to buy a product that is not safe.Try to avoid objects that is sharp and is painted with toxic paints.Also avoid products that have lose parts.to make a product comfortable for your buyers,you must observe how people
- hold the product
- carry the product
- work with the product
- wear the product
- sit on the product
Which handphone is much more comfortable when holding?
