| Plumber | 17 | 11 | |
| Welder | 3 | 2 | |
| Steel Bender | 13 | 9 | |
| Plasterer | 10 | 7 | |
| Painter | 7 | 4 | |
| Electrician | 7 | 4 | |
| Plant and Equipment Operator | 3 | 2 | |
| Plant and Equipment Mechanic | 3 | 2 | |
| Years of Working Experience | Less than 1 year | 7 | 4 |
| 1 - 5 yrs | 37 | 24 | |
| 6 - 10 yrs | 90 | 60 | |
| Above 10 yrs | 17 | 11 | |
| Level of Education | GCE “A” Level | 7 | 4 |
| GCE “O” Level | 3 | 2 | |
| Junior High School Level | 57 | 38 | |
| Secondary School Level | 13 | 9 | |
| Technical or Vocational Level | 60 | 40 | |
| Tertiary Level or Above | 10 | 7 | |
| Marital Status | Married | 107 | 71 |
| Single | 43 | 29 | |
| Gender | Male | 143 | 96 |
| Female | 7 | 4 |