| 4083 | STIHL SR420 Power Mistblower Chemical Sprayer | |
| 4084 | Steam Cleaners | |
| 4085 | Spray Extraction Machines | |
| 4086 | Stainless Steel Heavy Duty Recessed Manhole Cover & Frame | |
| 4087 | Single-Disc Machines | |
| 4088 | Stainless Steel Medium Duty Recessed Manhole Cover & Frame | |
| 4090 | Scrubber dryers | |
| 4092 | Stainless Steel Light Duty Recessed Manhole Cover & Frame | |
| 4094 | Solid Rubber Bumper | |
| 4100 | Segmental Block Wall | |
| 4101 | Segmental Wall Development | |
| 4102 | Slope Stability | |
| 4103 | Slope Rehabilitation | |
| 4104 | Soil Guniting | |
| 4105 | Slope Repair | |
| 4106 | Soil Nailing | |
| 4107 | Segmental Retaining Walls | |
| 4108 | Soil Shotcreting | |
| 4109 | Spark Plug | |
| 4110 | Sliding Door Wardrobe | |