There are several references to Object Resistance Threshold (p.295, sr5), when there isn't actually a Threshold, as Object Resistance is an opposed dice pool. The word "Threshold should probably just be removed, and leave all references as "if you beat an item's Object Resistance" instead.
References...
Catalog, p.107
Chaff, p.111
Fix, p.116
Glue Strip, p.116
Decrease Noise, p.116
Decrease Gear Limit, p.116
Lock, p.117
Protect Vehicle, p.117 and 118
Pulse, p.118
Slow Vehicle, p.118
Shape [Material], p.118