To receive a type approval, products may either be brought to a testing facility or manufacturers may opt to maintain their own testing equipment.

By this time most other manufacturers had opted for a bayonet lens mount.

LEO: And as a result I think manufacturers opted to, well, let's just avoid the whole thing and default to off.

However, most manufacturers have since opted to have their workers working under the roof of their own factories, to maintain quality standards.

Despite this, many manufacturers opted to use the less expensive Parnacott process.

The three French manufacturers opted to modify an earlier version of their car in order to meet the weight limit.

To reduce camcorder size, manufacturers opted for a 8 cm disc, sometimes called miniDVD.

Though more awkward for vehicle occupants, most manufacturers opted to use less expensive automatic belts rather than airbags during this time period.

Therefore, most manufacturers opted for not using their real name for Dutch brandy products.

Smaller manufacturers can opt for the $249 "Workshop" plan, which allows up to three authors and 150 manuals.