Education: Secondary (high) school graduation certificate. or equivalent experience. Work site environment: Dusty. Hot. Noisy. Odours. Outdoors. Work setting: Rural area. Supervision: 1 to 2 people. Screening questions: Do you have experience working in this field?. Employment terms options: Early morning. Evening. Experience: 2 years to less than 3 years. Employment terms options: Morning. Night. Day. Weekend.