| 4143 | STIHL SR420 Power Mistblower Chemical Sprayer | |
| 4144 | Steam Cleaners | |
| 4145 | Spray Extraction Machines | |
| 4146 | Stainless Steel Heavy Duty Recessed Manhole Cover & Frame | |
| 4147 | Single-Disc Machines | |
| 4148 | Stainless Steel Medium Duty Recessed Manhole Cover & Frame | |
| 4150 | Scrubber dryers | |
| 4152 | Stainless Steel Light Duty Recessed Manhole Cover & Frame | |
| 4154 | Solid Rubber Bumper | |
| 4160 | Segmental Block Wall | |
| 4161 | Segmental Wall Development | |
| 4162 | Slope Stability | |
| 4163 | Slope Rehabilitation | |
| 4164 | Soil Guniting | |
| 4165 | Slope Repair | |
| 4166 | Soil Nailing | |
| 4167 | Segmental Retaining Walls | |
| 4168 | Soil Shotcreting | |
| 4169 | Spark Plug | |
| 4170 | Sliding Door Wardrobe | |