Islamabad, May 18 : Punjab Secretary for Primary and Secondary Health retired Captain Muhammad Usman has issued following standard operating procedures for shops and businesses to adhere to while conducting day-to-day activities. Shops are supposed to provide hand washing or sanitisation equipment to customers on site.Employees are supposed to wash their hands frequently.Cashiers are only to only handle cash while wearing plastic gloves. Surfaces that are touched often should be cleaned repeatedly with 0.05 per cent chlorine solution. Dustbins should be provided at shops for people to dispose of their used masks and tissues.Customers should not be allowed to touch the weight measure e.t.c at the shop. In case of wearable items, customers should not be allowed to try items on before purchase. Customers should not be allowed to return or exchange purchased items.