Use colons for the following purposes:
The market for photovoltaic power systems includes the following items:
intrusion alarms, flood monitors, calculators, and telephone call boxes.
or
The market for photovoltaic power systems includes the following items:
- intrusion alarms
- flood monitors
- calculators
- telephone call boxes
Anyone communicating via computer needs a security system that ensures
three essential requirements: confidentiality, authentication, and trust.
or
Anyone communicating via computer needs a security system that ensures
three essential requirements:
- confidentiality
- authentication
- trust
(Begin each element of lists, series, or phrases with lowercase letters.)
The contract reads: "DL-400 coaxial cable shall be used for all platform
instrument installations at Site 5, unless a specific exception is justified in
the approved work order."
Kulik noted: "Even potatoes are probably much better guarded today than
radioactive materials."
--Phil Williams, and Paul N. Woessner, "The Real Threat of Nuclear Smuggling," Scientific American
(Place colons outside quotation marks.)
In designing the tachometer, the team first posed a question: What
operations are needed on the input signal in order to generate the desired
output?
The projects have, however, been able to measure the effects of caloric
restriction on so-called biomarkers of aging: attributes that generally change
with age and may help predict the future span of health or life.
--Richard Weindruch, "Caloric Restriction and Aging," Scientific American
This system currently operates in a strictly one-sided fashion: the machine
makes sure the person who inserted the card is its legitimate owner by asking for
a secret password, but the cardholder must blindly trust that the machine has not
been tampered with.
While thinking about this problem, we were reminded of an access-control
system with similar demands that is used successfully worldwide on a daily basis:
passports.
--Thomas Beth, "Confidential Communication on the Internet," Scientific American
The ratio of drag torque to bearing friction torque cannot exceed
3:1.
The anti-GAP 43, anti-MAP 2, and anti-synaptophysin antibodies were diluted
1:1000, 1:300, and 1:100, respectively, in phosphate-buffered saline containing
10% bovine serum albumin.
--Andreas Schwarz et al., "A Regulatory Role for Sphingolipids in Neuronal Growth," Journal of Chemical Biology
The main thruster engines ignited at at 7:05 a.m. EDT.
Thu Mar 16 03:21:44 1995
E. F. Lyon, "Airport Surface Traffic Automation," Lincoln Laboratory
Journal 4:151 (1991).