Remember that bat droppings (guano) will accumulate beneath the bat house; this is another good reason to select a somewhat remote location, where the presenceâparticularly the smellâof guano won't be bothersome. You can periodically scoop away guano and add it to a compost pile or use it as a fertilizer for plants.
Criticality definition, inclined to find fault or to judge with severity, often too readily. See more.
Welding flux basicity index. Basicity is commonly used to describe the metallurgical behaviour of a welding flux. The basicity index is a ratio between basic and acid compounds (oxides and flourides) of which the flux is composed.