| BS5120 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS5120-1987-TABLE 1 CLASS A/H | K7766 | BRITISH STANDARDS INSTITUTION |
| BS5120-1987-TABLE 2 SIZE 10 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS5173 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS5173-SECTION 106.3 3 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS7766-1975-TABLE1S1ZE10 | K7766 | BRITISH STANDARDS INSTITUTION |
| TABLE1S1ZE10 | K7766 | BRITISH STANDARDS INSTITUTION |