.define pp (paragraph)
.sp
.ne 2
.ti +5
.end pp (paragraph)
.define hi (hanging indent)
.br
.ta 6
.in [2]
.ti [1]
.en hi
.define se (section header)
.ne 10
.sp 6
.nf
[1].   [2] [3]
.fi
.pp
.end se (section header)
.define s1 (section 1)
.se I Introduction
.end s1 (section 1)
.define s2 (section 2)
.se II Theory
.end s2 (section 2)
.define s3
.se III Apparatus
.end s3
.define s4
.se IV Procedure
.end s4
.de s5
.se V Data Summary
.en s5
.de s6
.se VI Sample Calculations
.en s6
.de s7
.se VII Results
.en s7
.de s8
.se VIII Analysis
.en s8
.de s9
.se IX Conclusions
.en s9
.de s0
.se X Appendixes
.en s0
.define bx (Begin Example)
.sp
.nf
.in +10
.en bx (Begin Example)
.define ex (End Example)
.sp
.fi
.in -10
.en ex (End Example)