Filth flies can be divided into two groups, determined by their appearance and food preferences. Filth flies, such as the house fly, blow flies and flesh flies, are relatively small, soft-bodied insects with large eyes.They are strong fliers.lies, including stable flies and mosquitoes (which are also classified as flies, or Diptera), can inflict painful bites while feeding on the blood of humans and other animals, and some species transmit disease. The habits of filth flies favor the spread of bacteria and other disease-causing organisms.
Study Objective 1 - Describe how the Cost Principle Applies to Plant Assets. Plant assets are resources that have physical substance (a definite size and shape), are used in the operations of a business, and are not intended for sale to customers.f a cost is not included in a plant asset account, then it must be expensed immediately. Such costs are referred to as revenue expenditures. Costs that are not expensed immediately, but are instead included in a plant asset account are referred to as capital expenditures.
I. GENERAL. Plant and equipment refers to tangible property that has an estimated life of at least two years. If the cost of an item is $5,000 or more, it is capital property and should be charged to this series of G/L accounts. Items with an inherent intrinsic value that is not expected to decline with the passage of time (charge G/L account 666800). 2  Books or reference works acquired by University departments which are not intended to be made available to Duke as a whole (charge G/L account 646100).