The apparatus of the present invention prepares agricultural ground for planting by performing multiple functions in a single pass over the field. A first sealing element retainer is integrally formed with and extends from a first side of the body. The number of occurrences of the first event for each gaming machine is recorded. A controller controls the release clutch so as to disengage the clutch when the engine is not running and engage the clutch when the engine is running. 9% by weight of a main crystal phase consisting of Ca10Na7, Ca10K7, mixtures thereof or mixed crystals according to the general formula Ca10KxNa1\u2212x7, where x=0 to 1, is contained in the bone replacement material and 0. Methods of monitoring termite activity in a region involving placing a termite bait matrix in the region and assessing the presence of termites at the site of the termite matrix, the termite bait matrix contains cellulose and 9,10-anthracenedione, 1,4-bisamino.