tryton/modules/timesheet/view/line_form.xml

<?xml version="1.0"?>
<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
this repository contains the full copyright notices and license terms. -->
<form>
    <label name="employee"/>
    <field name="employee"/>
    <label name="company"/>
    <field name="company"/>
    <label name="date"/>
    <field name="date"/>
    <label name="duration"/>
    <field name="duration"/>
    <label name="work"/>
    <field name="work"/>
    <label name="description"/>
    <field name="description"/>
</form>