NgoMsombuluko, Juni 21, abenzi bezinqumo abavela ezindaweni ezizungezile eCalifornia bahlangane ukuze bezwe uDkt. Greg McPherson, uMqondisi weSikhungo Sokucwaninga Kwamahlathi Asemadolobheni, ekhuluma ngokuthi ukutshala kwezindawo zasemadolobheni kudlula kanjani izimfanelo zobuhle ezisobala. UDkt. McPherson wabonisa ukuthi kungasiza kanjani ukuthuthukisa izinga lomoya, ukonga amandla, ukuvikela ikhwalithi yamanzi, futhi kube neqhaza elibalulekile ekunciphiseni nasekuzivumelaniseni nesimo sezulu. Ungabuka isethulo se-PowerPoint sikaDkt. McPherson ngo ngokuchofoza lapha.
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