Table 1.

List of processes, flows and system variables.

Index	Definition	Compilation method
Processes
P1	Extraction of raw materials
P2	Processing of raw products
P3	Fabrication of semi-finished products
P4	Manufacturing of final products
P5	Use phase of product material stocks
P6	Waste collection, management and treatment
P7	Trading of raw materials
P8	Trading of raw products
P9	Trading of semi-finished products
P10	Trading of final products
Material input/output flows
F_0_1	Domestic extraction	See Section 9
F_1_2	Raw material output	Exogenous data
F_2_3	Output of raw products	F_1_2*(1-L2-W2) + F_8_2 – F_2_8
F_3_4	Output of semi-finished products	F_2_3*(1-L3-W3) + F_9_3 – F_3_9
F_4_5	Output of final products / primary gross additions to stock (GASprim)	F_3_4*(1-L4-W4) + F_10_4 – F_4_10
Material trade flows
F_7_1	Imports of raw materials	Not compiled
F_1_7	Exports of raw materials	Not compiled
F_8_2	Imports of raw products	Exogenous data
F_2_8	Exports of raw products	Exogenous data
F_9_3	Imports of semi-finished products	Exogenous data
F_3_9	Exports of semi-finished products	Exogenous data
F_10_4	Imports of final products	Exogenous data
F_4_10	Exports of final products	Exogenous data
Processing wastes
F_2–4_6	Unrecoverable wastes from extraction, processing, fabrication and manufacturing	F_1_2*L2; F_2_3*L3; F_3_4*L4
F_3–4_6	Recoverable wastes from processing, fabrication and manufacturing	F_1_2*W2; F_2_3*W3; F_3_4*W4
L2–4	Unrecoverable waste shares of total production output	Exogenous data
W3–4	Recoverable waste shares of total production output	Exogenous data