diff --git a/api/inp_out.py b/api/inp_out.py
index 8aef8d8..baad20b 100644
--- a/api/inp_out.py
+++ b/api/inp_out.py
@@ -1,7 +1,7 @@
 import os
 from .project import *
 from .database import ChangeSet
-from .sections import section_name
+from .sections import *
 from .s1_title import inp_out_title
 from .s2_junctions import inp_out_junction
 from .s3_reservoirs import inp_out_reservoir
@@ -51,93 +51,93 @@ def dump_inp(project: str, inp: str, version: str = '3'):
     file = open(path, mode='w')
 
     for name in section_name:
-        if name == 'TITLE':
+        if name == TITLE:
             file.write(f'[{name}]\n')
         else:
             file.write(f'\n[{name}]\n')
 
-        if name == 'TITLE':
+        if name == TITLE:
             file.write('\n'.join(inp_out_title(project)))
 
-        elif name == 'JUNCTIONS': # + coords
+        elif name == JUNCTIONS: # + coords
             file.write('\n'.join(inp_out_junction(project)))
 
-        elif name == 'RESERVOIRS': # + coords
+        elif name == RESERVOIRS: # + coords
             file.write('\n'.join(inp_out_reservoir(project)))
 
-        elif name == 'TANKS': # + coords
+        elif name == TANKS: # + coords
             file.write('\n'.join(inp_out_tank(project)))
 
-        elif name == 'PIPES':
+        elif name == PIPES:
             file.write('\n'.join(inp_out_pipe(project)))
 
-        elif name == 'PUMPS':
+        elif name == PUMPS:
             file.write('\n'.join(inp_out_pump(project)))
 
-        elif name == 'VALVES':
+        elif name == VALVES:
             file.write('\n'.join(inp_out_valve(project)))
 
-        elif name == 'TAGS':
+        elif name == TAGS:
             file.write('\n'.join(inp_out_tag(project)))
 
-        elif name == 'DEMANDS':
+        elif name == DEMANDS:
             file.write('\n'.join(inp_out_demand(project)))
 
-        elif name == 'STATUS':
+        elif name == STATUS:
             file.write('\n'.join(inp_out_status(project)))
 
-        elif name == 'PATTERNS':
+        elif name == PATTERNS:
             file.write('\n'.join(inp_out_pattern(project)))
 
-        elif name == 'CURVES':
+        elif name == CURVES:
             file.write('\n'.join(inp_out_curve(project)))
 
-        elif name == 'CONTROLS':
+        elif name == CONTROLS:
             file.write('\n'.join(inp_out_control(project)))
 
-        elif name == 'RULES':
+        elif name == RULES:
             file.write('\n'.join(inp_out_rule(project)))
 
-        elif name == 'ENERGY':
+        elif name == ENERGY:
             file.write('\n'.join(inp_out_energy(project)))
 
-        elif name == 'EMITTERS':
+        elif name == EMITTERS:
             file.write('\n'.join(inp_out_emitter(project)))
 
-        elif name == 'QUALITY':
+        elif name == QUALITY:
             file.write('\n'.join(inp_out_quality(project)))
 
-        elif name == 'SOURCES':
+        elif name == SOURCES:
             file.write('\n'.join(inp_out_source(project)))
 
-        elif name == 'REACTIONS':
+        elif name == REACTIONS:
             file.write('\n'.join(inp_out_reaction(project)))
 
-        elif name == 'MIXING':
+        elif name == MIXING:
             file.write('\n'.join(inp_out_mixing(project)))
 
-        elif name == 'TIMES':
+        elif name == TIMES:
             file.write('\n'.join(inp_out_time(project)))
 
-        elif name == 'REPORT':
+        elif name == REPORT:
             file.write('\n'.join(inp_out_report(project)))
 
-        elif name == 'OPTIONS':
+        elif name == OPTIONS:
             file.write('\n'.join(inp_out_option(project)))
 
-        elif name == 'COORDINATES':
+        elif name == COORDINATES:
             file.write('\n'.join(inp_out_coord(project)))
 
-        elif name == 'VERTICES':
+        elif name == VERTICES:
             file.write('\n'.join(inp_out_vertex(project)))
 
-        elif name == 'LABELS':
+        elif name == LABELS:
             file.write('\n'.join(inp_out_label(project)))
 
-        elif name == 'BACKDROP':
+        elif name == BACKDROP:
             file.write('\n'.join(inp_out_backdrop(project)))
 
-        elif name == 'END':
+        elif name == END:
             pass # :)
 
         file.write('\n')
@@ -162,93 +162,93 @@ def export_inp(project: str, version: str = '3') -> ChangeSet:
     inp = ''
 
     for name in section_name:
-        if name == 'TITLE':
+        if name == TITLE:
             inp += f'[{name}]\n'
         else:
             inp += f'\n[{name}]\n'
 
-        if name == 'TITLE':
+        if name == TITLE:
             inp += '\n'.join(inp_out_title(project))
 
-        elif name == 'JUNCTIONS': # + coords
+        elif name == JUNCTIONS: # + coords
             inp += '\n'.join(inp_out_junction(project))
 
-        elif name == 'RESERVOIRS': # + coords
+        elif name == RESERVOIRS: # + coords
             inp += '\n'.join(inp_out_reservoir(project))
 
-        elif name == 'TANKS': # + coords
+        elif name == TANKS: # + coords
             inp += '\n'.join(inp_out_tank(project))
 
-        elif name == 'PIPES':
+        elif name == PIPES:
             inp += '\n'.join(inp_out_pipe(project))
 
-        elif name == 'PUMPS':
+        elif name == PUMPS:
             inp += '\n'.join(inp_out_pump(project))
 
-        elif name == 'VALVES':
+        elif name == VALVES:
             inp += '\n'.join(inp_out_valve(project))
 
-        elif name == 'TAGS':
+        elif name == TAGS:
             inp += '\n'.join(inp_out_tag(project))
 
-        elif name == 'DEMANDS':
+        elif name == DEMANDS:
             inp += '\n'.join(inp_out_demand(project))
 
-        elif name == 'STATUS':
+        elif name == STATUS:
             inp += '\n'.join(inp_out_status(project))
 
-        elif name == 'PATTERNS':
+        elif name == PATTERNS:
             inp += '\n'.join(inp_out_pattern(project))
 
-        elif name == 'CURVES':
+        elif name == CURVES:
             inp += '\n'.join(inp_out_curve(project))
 
-        elif name == 'CONTROLS':
+        elif name == CONTROLS:
             inp += '\n'.join(inp_out_control(project))
 
-        elif name == 'RULES':
+        elif name == RULES:
             inp += '\n'.join(inp_out_rule(project))
 
-        elif name == 'ENERGY':
+        elif name == ENERGY:
             inp += '\n'.join(inp_out_energy(project))
 
-        elif name == 'EMITTERS':
+        elif name == EMITTERS:
             inp += '\n'.join(inp_out_emitter(project))
 
-        elif name == 'QUALITY':
+        elif name == QUALITY:
             inp += '\n'.join(inp_out_quality(project))
 
-        elif name == 'SOURCES':
+        elif name == SOURCES:
             inp += '\n'.join(inp_out_source(project))
 
-        elif name == 'REACTIONS':
+        elif name == REACTIONS:
             inp += '\n'.join(inp_out_reaction(project))
 
-        elif name == 'MIXING':
+        elif name == MIXING:
             inp += '\n'.join(inp_out_mixing(project))
 
-        elif name == 'TIMES':
+        elif name == TIMES:
             inp += '\n'.join(inp_out_time(project))
 
-        elif name == 'REPORT':
+        elif name == REPORT:
             inp += '\n'.join(inp_out_report(project))
 
-        elif name == 'OPTIONS':
+        elif name == OPTIONS:
             inp += '\n'.join(inp_out_option(project))
 
-        elif name == 'COORDINATES':
+        elif name == COORDINATES:
             inp += '\n'.join(inp_out_coord(project))
 
-        elif name == 'VERTICES':
+        elif name == VERTICES:
             inp += '\n'.join(inp_out_vertex(project))
 
-        elif name == 'LABELS':
+        elif name == LABELS:
             inp += '\n'.join(inp_out_label(project))
 
-        elif name == 'BACKDROP':
+        elif name == BACKDROP:
             inp += '\n'.join(inp_out_backdrop(project))
 
-        elif name == 'END':
+        elif name == END:
             pass # :)
 
         inp += '\n'