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Usually, industrial use of standard deviation is involved in quality control and testing. A product such as cement, is produced in batches, and I assume, requires periodic testing to ensure consistent properties. The sample test variations can be evaluated using standard deviation. If the standard deviation is high, it is likely that inferior product could be shipped. Probability analysis can determine the chance that product below certain standards would be shipped.
A component pre-prepared that can be used when producing a new product. Eg. a standard component may be a pre-made pastry case you would use if producing a new line of flans.
The standard form for 45000 is written as (4.5 \times 10^4). This notation expresses the number as a product of a coefficient (4.5) and a power of ten, indicating that the decimal point is moved four places to the right.
One off production is when a craftsman creates a single unique product from a specified design. It is often labour intensive and very expensive. However the product produced would be the only one in the world and finished to a high standard.
The number 84 in standard form can be expressed as (8.4 \times 10^1). In standard form, also known as scientific notation, a number is written as a product of a number between 1 and 10 and a power of ten. In this case, 84 is represented with one decimal place and multiplied by 10 to the first power.