Steps 7
Put the top rails（H10、H11、H12）and corners (H13) on floor accoringly.Lock it by bolt P,washer
O,N and nut M. Note: upper side of rail shoul be put agaist the floor.
Steps 8
Assembly the long apron（H15） and shourt apron（H16）accordingly, lock it by bolt Q and
washer O.
8
