Ii-Scotts Pine test stakes zanyangwa ngediphu imizuzu engama-30 kwisisombululo se-3% se-CCA – iCopper/Chrome/Arsenic (ukubonelela ngonyango olubizwa ngokuba lunyango oluncinci lokukhusela)
Kusetyenziswe izibalo zovavanyo ezingamashumi amabini zizonke ngale ndlela ilandelayo:
• Iindleko ezilishumi zovavanyo ngonyango oluphantsi lokugcinwa kwezinto ezigcina umswakama
• Iibhakethi ezilishumi zovavanyo ezine-preservative treatment ephantsi kodwa zifakelwe nee-ground-line barrier sleeves zePostaver.
Emva koko kwafakwa izixa zovavanyo kwindawo yovavanyo yeBRE ePrinces Risborough, kamva kwindawo yovavanyo eWatford.
Izibonda zalinganiswa ngokwezinga lokubola kusetyenziswa isikali esisuka ku-1 ukuya ku-40.