Requirements for operating tables with tops of four or more sections. Also includes requirements for dimensions of accessory clamps to facilitate interchangeability between tables and accessories.Cross References:BS 970:Part 1BS 1224BS 1449:Part 2BS 1615BS 2891BS 3900:Part E1BS 3900:Part E2BS 3900:Part E3BS 3900:Part E4BS 5724:Section 2.22