In general, fall protection must be provided to construction workers who areworking on surfaces with unprotected sides and edges which are $\_\_\_\_$ above thelower level:a$.3$ feetb. $4$ feetc. $6$ feet $2.$ What are the ways an employer can protect workers from falls? $\_\_\_\_\_\_\_$a$.$ Guardrails, safety net systems and safety beltsb. Guardrails and safety netsc. Guardrails, safety net systems and personal fall arrest systems$3.$ For workers on scaffolds, fall protection must be provided if they are working$\_\_\_\_\_$ above a lower level.a$.4$ feetb. $6$ feetc. $10$ feet$4.$ Guardrails are often used by employers to protect workers from falls. How high must the top guardrail $($the toprail$)$ be above the working surface? $\_\_\_\_\_\_\_\_$a$.24$ inches, plus or minus $3$ inchesb. $42$ inches, plus or minus $3$ inchesc. $60$ inches, plus or minus $3$ inches$5.$ A personal fall arrest system consists of: $\_\_\_\_\_\_\_\_$a$.$ An anchorage and a body beltb. An anchorage, lanyard and connectors, and a body beltc. An anchorage, lanyard and connectors, and a full body harness$6.$ The top of a ladder must extend at least $\_\_\_\_\_$ above the surface you are climbing onto.a$.3$ feetb. $4$ feetc. $5$ feet