MB44 blade material: razor-diamonds only / tungsten and titanium encrusted with razor-diamonds
x_p5_113 variantb05:c99:p231 describes the MB44's blades as made of razor-diamonds, while al1:c01:p163 describes them as made of tungsten and titanium encrusted with razor-diamonds.
Evidence
| b05 glossary (f_b05_072): blades are razor-diamonds only | A device specifically made for cutting through freezer doors. Blades are made of razor-diamonds. | b05:c99:p231 |
| al1 (f_al1_207): blades are tungsten and titanium encrusted with razor-diamonds | A MB44 is a device specifically made for cutting through freezer doors. Its blades are made of tungsten and titanium (very strong metals) and encrusted with razor-diamonds (really sharp diamonds). | al1:c01:p163 |