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Construction
No:175
Boring or penetrating the earth (
355
)
No:014
Bridges (
95
)
No:D25
Building units and construction elements (
135
)
No:172
Earth working (
837
)
No:037
Excavating (
301
)
No:411
Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener (
694
)
No:256
Fences (
98
)
No:182
Fire escape, ladder, or scaffold (
298
)
No:108
Horizontally supported planar surfaces (
262
)
No:403
Joints and connections (
445
)
No:049
Movable or removable closures (
492
)
No:285
Pipe joints or couplings (
560
)
No:138
Pipes and tubular conduits (
128
)
No:404
Road structure, process, or apparatus (
145
)
No:277
Seal for a joint or juncture (
406
)
No:249
Static molds (
227
)
No:052
Static structures (e.g., buildings) (
1185
)
No:125
Stone working (
74
)
No:248
Supports (
833
)
No:312
Supports: cabinet structure (
470
)
No:211
Supports: racks (
326
)
No:212
Traversing hoists (
203
)
No:171
Unearthing plants or buried objects (
151
)
No:454
Ventilation (
383
)
No:144
Woodworking (
533
)
# 25
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