| 17-C-7040 ITEM F1 | K7992 | PREMABERG MANUFACTURING LIMITED |
| 17-L-0117 | K7992 | PREMABERG MANUFACTURING LIMITED |
| BS3692 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS3692-TABLE 5 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS3692-TABLE 6 | K7766 | BRITISH STANDARDS INSTITUTION |
| 17-L-0117 ITEM F2 | K7992 | PREMABERG MANUFACTURING LIMITED |
| PS-162 | K7992 | PREMABERG MANUFACTURING LIMITED |