67. , 2008. However, they produce syngas with large amounts of tar or/and char, due exam help the low quiz help non uniform heat quiz help mass move among the solid biomass quiz help the gasifying agent Wang et al. , 2008. The product gas needs to be appreciably wiped clean before use. Moreover, the throughput for this kind of gasifier is fairly low and, hence, for big scale functions, as in the case of biomass exam help liquid BTL, with very strict requirements concerning the purity of the syngas, fixed bed gasifiers are considered improper. Bottom Cut: Cut at once throughout the tree till you reach final touch point of the prime cut. Back Cut: Start the cut 1 inch above the notched corner on the opposite side of the tree. Bottom Cut: Cut up at exam help 20 angle until you reach the end point of the top cut. Back Cut: On the contrary side of the tree, cut straight across, at the very same height of the notched corner, until you reach the hinge wood. Bottom Cut: Cut up at exam help 45 angle till you reach of completion point of the top cut. Back Cut: Start out 1 inch above the notched corner on the opposite side of the tree.