crypto-web fibres: crypto-web fibres / krypto-web fibers
x_p5_041 variantThe material that blocks Defrost-Ping beams through concrete is spelled 'crypto-web fibres' in b05 and 'krypto-web fibers' in al1, differing in both the prefix spelling and the spelling of 'fibres/fibers'.
Evidence
| b05 form: 'crypto-web fibres' | The beams are not dangerous and can travel through soil, rock and concrete (except if the concrete is reinforced with crypto-web fibres). | b05:c99:p227 |
| al1 form: 'krypto-web fibers' | The beams are not at all dangerous and can travel through soil, rock and concrete (except if the concrete is reinforced with krypto-web fibers). | al1:c01:p070 |