Spray shirts prone to sweat stains with lemon juice before washing. The natural acid dissolves alkaline sweat reside that could cause yellow discoloration.
在容易发霉的衣服上喷点柠檬汁再洗。天然的酸会溶解掉汗里面让衣服变黄的碱性成分。
2
As the washing procedure continues, impurities accumulate in the alkaline solution and cause a decrease in washing efficiency, and even make it invalid.
碱洗液随使用时间的延长，其中会累积大量杂质，造成碱液清洗效率下降而失效。
3
The etch washing to Cu and alkaline cleaning to al have little impact on the cladding rolling, so in some case this procedure can be canceled.