(a) The licensee shall, by means of supervision, instruction and the installation of appropriate protective devices protect participants against hazards. Protection shall include but not be limited to: (1) Fencing around pools and other hazardous areas.(2) Nonslip material for use as rugs.(3) Hand railings and adequate illumination of stairways, inclines, ramps and open porches.(4) Sturdy and safe furniture.(5) Passageways and stairways kept free of obstruction.(6) Screened fireplaces and open-faced heaters.(7) Provisions for the safety and guidance of participants with visual problems.Cal. Code Regs. Tit. 22, § 78509