11. It is a form of gardening in which the soil is enclosed in three-to-four-wide containment units. A. Raised bed B. ridge planting C. hill planting D. drill method 12. It is an essential feature of a plan in which the water supply must be clearly indicated showing location and available capacity. A. Topographic data B. water source capacity C. design parameters D. design data 13. Which kind of irrigation is ideal in areas where water is scarce? A. Sprinkler system B. basic irrigation C. tickle irrigation D. drip irrigation 14. This essential feature of a plan must be accurately drawn showing pertinent obstructions, features and elevation details. A. Topographic data B. water source capacity C. design parameters D. design data 15. This is a type of conventional sprinkler system in which the water source and pumping plant are fixed in locations. A. Fully portable B. semi-portable C. fully permanent D. semi-permanent 16. This refers to the potential for harm, or adverse effect on an employee's health. A. Risk B. hazard C. exposure D. physical 17. is the likelihood that a hazard will cause injury or ill health to anyone at or near a workplace. A. Risk B. hazard C. exposure D. physical 18. It occurs when a person comes in contact with a hazard. A. Risk B. hazard C. exposure D. physical 19. This type of hazard includes bacteria, viruses, mold, mildew, insects and vermin. A. Chemical hazard B. biological hazard C. physical hazard D. mechanical hazard 20. This hazard includes workplace stressors arising from a variety of sources A. Chemical hazard B. biological hazard C. physical hazard D. psychosocial hazard 21. It includes floors, stairs, work platforms, ladders and falling objects. What type of hazard is this? A. Chemical hazard B. biological hazard C. physical hazard D. psychosocial hazard 22. This type of hazard includes electricity, machinery, equipment, forklifts and cranes. A. Physical hazard B. biological hazard C. mechanical hazard D. chemical hazard 23. This includes chemical substances such as acids or poisons, pesticides, herbicides and cleaning agents. A. Chemical hazard B. biological hazard C. mechanical hazard D. psychosocial hazard 24. This type of sprinkler system is designed to be moved from one field to another or other pumping sites. A. Fully portable B. semi portable C. fully permanent D. semi-permanent a​