<?xml version="1.0"?>
<form string="Workcenter Productivity">
                <group>
                    <group>
                        <field name="production_id"/>
                        <field name="workorder_id"/>
                        <field name="workcenter_id"/>
                        <field name="loss_id"/>
                        <field name="company_id" invisible="1"/>
                    </group><group>
                        <field name="date_start"/>
                        <field name="date_end"/>
                        <field name="duration"/>
                        <field name="company_id"/>
                    </group>
                    <field name="description"/>
                </group>
            </form>
        