melocha of lash(Kneading) Flashcards
what is the definition of לש?
taking a solid and liquid and combining them.
how did they use לש in the Mishkan?
mixed herbs with water to prepare dyes for yerios.
what is the shiur(measurement) for לש, for A) food?
B) not food?
for food -גרוגרת Chayiv from the torah(less is also Assur but not 4 Chatos.) not food- depends how much would be useful.
what is the Av Melocha of לש ?
kneading flour with water or any other liquid to a thick paste.
what are the toldos of לש (2)?
- mix sand with water.
2. put sesame or flaxseed into water.
What are the Issurim DeRabanan (2)?
- can’t make batter
2. can’t feed bird/pet coz might transgress this melocha by kneading/grinding..
is one allowed to mix anything(ie. water,oil,wine..) that sticks together.
no
what are the 2 things that לש depend on?
- type of material(something that becomes totally new.
2. type of mixture(thick/thin)
can you crush fruit /veg- (without Tochen)?why?
yes coz this Issur only applies when mixing two different things.
if the fruit or veg stick together, is it allowed?why?
some say yes coz that’s not Lash- some say cant.
- can u put a solid in a liquid eg. bread/water?
2. Can u mush a solid with a liquid to make a new mixture
- yes coz it causes separation of the solid.
2. no
are we allowed to do Lash close 2 the meal?
no
what is Bar Gibul?
if something comes together nicely ie. flour and water,
is Bar Gibul Assur from the torah or DeRabanan?
Assur from the Torah.
is it Assur to add water to things that don’t stick together like Ash/sand?if they don’t clump tog?
yes most say Assur from the torah and some say DeRabanan.
is a thick/thin mixture Assur from the torah/Derabana?
thick- torah, thin- DeRabanan
is a liquid mixture that is dissolved permitted on Shabbos?
as long as it isn’t Bishul and no thick mixture is made.
is big pieces Assur?
no
is one allowed to make Salad dressing? why?
yes coz u not joining them properly together.
is one allowed to mix two dry things
yes coz thay don’t join
Can u make a thick mixture if u make it differently?
no.
can one add water to a moist liquid that was prepared b4 Shabbos? if yes how must 1 do it?
yes, must change the way of stirring and do it softly.
in a time of need for a thin or thick mixture, when cant prep b4 Shabbos/4got, can u prep it?
yes by doing 2 changes:
what are the 2 changes?
- change order of ingrediants, iff u put liquid in2 dry during wk/ the other way= do the opp. and if there is no order, u can do it if u really need by putting dry then wet.
- change the way of stirring like with ur finger/shaking the Kli. if u need 2 do it with a kli, do it to nd fro and up and down, not in a circle- appropriate 2 pick up kli after each stroke.