diff --git a/api/inp_in_new.py b/api/inp_in_new.py
index b1d1f88..d98f727 100644
--- a/api/inp_in_new.py
+++ b/api/inp_in_new.py
@@ -17,6 +17,10 @@ from .s13_controls import inp_in_control_new
 from .s14_rules import inp_in_rule_new
 from .s15_energy import inp_in_energy_new
 from .s16_emitters import inp_in_emitter_new
+from .s17_quality import inp_in_quality_new
+from .s18_sources import inp_in_source_new
+from .s19_reactions import inp_in_reaction_new
+from .s20_mixing import inp_in_mixing_new
 from .s21_times import inp_in_time_new
 from .s22_report import inp_in_report_new
 from .s23_options import inp_in_option_new
@@ -42,10 +46,10 @@ _handler = {
     RULES       : (_L, inp_in_rule_new),
     ENERGY      : (_L, inp_in_energy_new),
     EMITTERS    : (_L, inp_in_emitter_new),
-    QUALITY     : (_L, None),
-    SOURCES     : (_L, None),
-    REACTIONS   : (_L, None),
-    MIXING      : (_L, None),
+    QUALITY     : (_L, inp_in_quality_new),
+    SOURCES     : (_L, inp_in_source_new),
+    REACTIONS   : (_L, inp_in_reaction_new),
+    MIXING      : (_L, inp_in_mixing_new),
     TIMES       : (_S, inp_in_time_new),
     REPORT      : (_S, inp_in_report_new),
     OPTIONS     : (_S, inp_in_option_new),
@@ -96,9 +100,6 @@ _level_4 = [
 ]
 
 
-_UNKNOWN = 'UNKNOWN'
-
-
 def _get_offset(inp: str) -> dict[str, list[int]]:
     offset: dict[str, list[int]] = {}
 
diff --git a/api/s16_emitters.py b/api/s16_emitters.py
index db512dc..4c73bd7 100644
--- a/api/s16_emitters.py
+++ b/api/s16_emitters.py
@@ -99,7 +99,7 @@ def inp_in_emitter_new(name: str, line: str) -> None:
     junction = str(tokens[0])
     coefficient = float(tokens[1])
 
-    write(name, f"\ninsert into emitters (junction, coefficient) values ('{junction}', {coefficient});")
+    write(name, f"insert into emitters (junction, coefficient) values ('{junction}', {coefficient});")
 
 
 def inp_out_emitter(name: str) -> list[str]:
diff --git a/api/s17_quality.py b/api/s17_quality.py
index faf30fe..d9868ba 100644
--- a/api/s17_quality.py
+++ b/api/s17_quality.py
@@ -86,6 +86,19 @@ def inp_in_quality(section: list[str]) -> ChangeSet:
     return cs
 
 
+def inp_in_quality_new(name: str, line: str) -> None:
+    tokens = line.split()
+
+    num = len(tokens)
+    has_desc = tokens[-1].startswith(';')
+    num_without_desc = (num - 1) if has_desc else num
+
+    node = str(tokens[0])
+    quality = float(tokens[1])
+
+    write(name, f"insert into quality (node, quality) values ('{node}', {quality});")
+
+
 def inp_out_quality(name: str) -> list[str]:
     lines = []
     objs = read_all(name, 'select * from quality')
diff --git a/api/s18_sources.py b/api/s18_sources.py
index 9c1e210..251a01b 100644
--- a/api/s18_sources.py
+++ b/api/s18_sources.py
@@ -131,6 +131,23 @@ def inp_in_source(section: list[str]) -> ChangeSet:
     return cs
 
 
+def inp_in_source_new(name: str, line: str) -> None:
+    tokens = line.split()
+
+    num = len(tokens)
+    has_desc = tokens[-1].startswith(';')
+    num_without_desc = (num - 1) if has_desc else num
+
+    node = str(tokens[0])
+    s_type = str(tokens[1].upper())
+    strength = float(tokens[2])
+    pattern = str(tokens[3]) if num_without_desc >= 4 else None
+    pattern = f"'{pattern}'" if pattern != None else 'null'
+
+    write(name, f"insert into sources (node, type, strength, pattern) values ('{node}', '{s_type}', {strength}, {pattern});")
+
+
+
 def inp_out_source(name: str) -> list[str]:
     lines = []
     objs = read_all(name, 'select * from sources')
diff --git a/api/s19_reactions.py b/api/s19_reactions.py
index 5c9117a..57e7773 100644
--- a/api/s19_reactions.py
+++ b/api/s19_reactions.py
@@ -222,6 +222,28 @@ def inp_in_reaction(section: list[str]) -> ChangeSet:
     return cs
 
 
+def inp_in_reaction_new(name: str, line: str) -> None:
+    tokens = line.split()
+    token0 = tokens[0].upper()
+    if token0 == 'BULK' or token0 == 'WALL':
+        pipe = tokens[1]
+        key = token0.lower()
+        value = tokens[2]
+        write(name, f"insert into reactions_pipe_{key} (pipe, value) values ('{pipe}', {value});")
+
+    elif token0 == 'TANK':
+        tank = tokens[1]
+        value = tokens[2]
+        write(name, f"insert into reactions_tank (tank, value) values ('{tank}', {value});")
+
+    else:
+        line = line.upper().strip()
+        for key in get_reaction_schema('').keys():
+            if line.startswith(key):
+                value = line.removeprefix(key).strip()
+                write(name, f"update reactions set value = '{value}' where key = '{key}';")
+
+
 def inp_out_reaction(name: str) -> list[str]:
     lines = []
 
diff --git a/api/s20_mixing.py b/api/s20_mixing.py
index 1a9704c..6c1f580 100644
--- a/api/s20_mixing.py
+++ b/api/s20_mixing.py
@@ -125,6 +125,21 @@ def inp_in_mixing(section: list[str]) -> ChangeSet:
     return cs
 
 
+def inp_in_mixing_new(name: str, line: str) -> None:
+    tokens = line.split()
+
+    num = len(tokens)
+    has_desc = tokens[-1].startswith(';')
+    num_without_desc = (num - 1) if has_desc else num
+
+    tank = str(tokens[0])
+    model = str(tokens[1].upper())
+    value = float(tokens[3]) if num_without_desc >= 4 else None
+    value = value if value != None else 'null'
+
+    write(name, f"insert into mixing (tank, model, value) values ('{tank}', '{model}', {value});")
+
+
 def inp_out_mixing(name: str) -> list[str]:
     lines = []
     objs = read_all(name, 'select * from mixing')