Now showing items 1-2 of 2
Using the Leykam Logline to evaluate chuting in South Africa
(Stellenbosch : Stellenbosch University, 1991-10)
ENGLISH SUMMARY: Timber harvesting and extraction on sloping terrain has always proved to be a world wide problem. It is, often associated with itrenuous work and / or possible damage to the environment. Vehicular ...
Feasibility study on addition of a colourant to commercially used fire-retardant formulations to enable visual distinguishability between treated and untreated mine support timber
(Stellenbosch : Stellenbosch University, 1991-12)
ENGLISH SUMMARY: The ability to visually distinguish between fire-retardant treated and untreated mining support timber, treated with ammonium sulphate and ammonium phosphate salts, is very difficult. In fact, once ...