Learn how to use semicolons, colons, and dashes in your writing with examples and explanations. Find out the common uses, rules, and mistakes of these punctuation marks. .
This handout explains the most common uses of three kinds of punctuation: semicolons (;), colons (:), and dashes (—). After reading the. .
The semicolon looks like a comma with a period above it, and this can be a good way to remember what it does. A semicolon creates more. .
Colons follow independent clauses (clauses that could stand alone as sentences) and can be used to present an explanation, draw attention to something, or join ideas together. .
The first thing to know when talking about dashes is that they are almost never required by the laws of grammar and punctuation. Overusing dashes can break up the flow of your writing, making it choppy or even difficult to follow, so don’t overdo it. It’s also important to distinguish between dashes and hyphens. Hyphens are shorter lines (.
[pdf] It’s important to remember a few basics about combining fixed speed and Variable Frequency Drive (VFD) screw air compressors before discussing control gap, which I wrote about in a previous article. The article is available at (. .
Now that you know the proper way to set a VFD air compressor’s control pressure in a system, let’s discuss the problem as it relates to screw air. .
Let’s finally get to the solution! Here are some recommendations. 1. Right-sized VFD air compressor: The first and best solution is to use a. .
For this project, I could have recommended either a larger VFD air compressor or a small base-load air compressor, and a target sequencer, but the air compressors. .
A case study illustrates the problem. In this case, an actual 75 HP air compressor system was improved by the addition of a 75 HP VFD air.
[pdf] Trying to use a standard duckbill on the end of your drill string while upping the power of your rig will only result in frustration — and. .
In addition to the investment in hard rock directional drillingequipment and accessories, rock drillingis, by nature, slower going than dirt drilling: it's a double whammy. Plus, you'll. .
When using a mud motor, you'll also need a few critical pieces of additional hard rock directional drillingequipment before you even displace the first foot of earth. .
Curious about how rock drilling stacks up against a standard job? Here's a side-by-side comparison of rate of production, tooling required and.
[pdf] 
