The following sentences talk about procedures. Change them to the passive form so that the focus of attention is on the procedure, rather than on the person who does it. 1 We update the website every six months. The website is updated every 2 We inspect the bathrooms every three hours. 3 We keep previous invoices in the filing cabinet. 4 They pay the staff on the last working day of the month. 5 We give discounts for all orders over L300. 6 The security guard checks all the bags. by 7 Staff wear gloves when mixing the oil. 8 Machines pack the perfume bottles into boxes. by 9 They blow cold air over the mixture to cool it.