OMISSION MISSION II
Credit: GAMES Magazine 
R.H. Wei (#1-3)

Each numbered clue below defines two words, one of which can be obtained by dropping the initial letter of the other. For example, the clue Witticism and Furnish for action could be answered by Quip and Equip. Either the longer or shorter word may be defined first.

1)
Building material
Pipe installer

2)
Belt between Mars and Jupiter
Certain drug

3)
In reverse, nautically
Asian

4)
One thing favored over another
Source, as of information

5)
Without a car accident
Accident prone, perhaps

6)
Coin
Odor

7)
Word in polite conversation
Rental agreement

8)
Red, white, or blue - for three
Synthetic fabric

Answers:
1. LUMBER - PLUMBER
2. ASTEROID - STEROID
3. ASTERN - EASTERN 
4. PREFERENCE - REFERENCE
5. WRECKLESS - RECKLESS 
6. CENT - SCENT
7. PLEASE - LEASE
8. CRAYON - RAYON