main return

main return

[′mān ri′tərn]
(mining engineering)
The main return airway of a mine.
References in periodicals archive ?
One main return that is featured in the project is access to a special Facebook Group, where the tour guides will offer advice on your trip to Tokyo, as well as looking to bring people's opinions and ideas together to create the best tour possible.
- Returns: The spray will be a main return (Can't be exported overseas)
Taxpayers may be aware that there are three main components to the new return - one main return (FORM GST RET-1) and two annexures (FORM GST ANX-1 and FORM GST ANX-2)," the release said.
However, the notification clarified that it is to be noted that for persons deriving income from business, house property or capital gains income along with the salary income is required to file the main return form containing all heads of income and not the simplified return form for salary and other sources where salary is more than 50 percent of the total.
The FBR pointed out that for persons deriving income from business, house property (rental income) and capital gains in addition to salary income, the declaration has to be made on the main return form and not on the specified form meant for salary and other sources of income.
For those deriving income from business, house property (rental income) and capital gains in addition to salary income, the declaration has to be made on the main return and not on the simplified new form.
The main return is through the three-entry tailgate entries outby the face.
Roughly 70 ft (21 m) of the pipe failed when the plant automatically closed the main return valve against a full-speed 350 hp (261 kW) secondary pump.
The main return figures demonstrate that the Audi Group continues to be one of the world's most successful automobile manufacturers.
Air temperature, relative humidity, and air velocity sensors Sensor Name Sensors type Location RH12 Relative Humidity Main return air from zone to AHU AT12 Air Temperature Main return air from zone to AHU RH7 Relative Humidity Main supply air AHU to zone AT7 Air Temperature Main supply air AHU to zone AV1 Air Velocity Meter Supply air duct from AHU Table 2.
That, combined with the secrecy envelope and main return envelope, can exceed the 1-ounce weight limit for a 42-cent stamp.