List laundry process that are harmful to woolen fibers and in each case state the harmful caused.
1. Washing in hot water: Hot water can cause wool fibers to shrink and lose their natural shape, leading to a decrease in the overall quality of the garment.
2. Tumbling in a dryer: Excessive heat from a dryer can cause wool fibers to become brittle and break, resulting in shrinkage and potential damage to the garment's texture and appearance.
3. Using bleach or harsh chemicals: Bleach and other harsh chemicals can weaken the structure of wool fibers, leading to discoloration, unsightly holes, and overall deterioration of the garment.
4. Aggressive scrubbing or wringing: Rough handling of wool garments during the washing process can cause the fibers to become stretched or damaged, leading to pilling, fraying, and an uneven texture.