Which is not an example of energy doing work or causing change? A baseball pitcher

initially create shortfalls in timber supplies

Timber- management strategies are strategies which ensures adequate supply of timer for sustainable use so that timber as a resource should be available for long term use and also conserve forests and other vegetation utilize to obtain timber. Timber is an important wood resource. Timber logs are used for manufacturing in furniture industry, decorative articles, infrastructure and for other human uses. Initially creating a short fall in timber supply will ensure adequate use of timber and making it available for future so that no more trees will be cut down to meet the ends. Hence, will promote  sustainable timber use.